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Finding the Fourth Proportional to 507,009.60, 760,514.40 and 133,070.40

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Solution

The fourth proportional to 507,009.60, 760,514.40 and 133,070.40 is: 199,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,009.60 : 760,514.40 = 133,070.40 : x
  2. Step 2: Convert to fraction form
    507,009.60/760,514.40 = 133,070.40/x
  3. Step 3: Cross multiply
    507,009.60x = 760,514.40 × 133,070.40
  4. Step 4: Simplify right side
    507,009.60x = 101,201,955,413.76
  5. Step 5: Solve for x
    x = 101,201,955,413.76/507,009.60
  6. Step 6: Final answer
    x = 199,605.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.