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Finding the Fourth Proportional to 555,413.90, 833,120.84 and 134,686.13

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Solution

The fourth proportional to 555,413.90, 833,120.84 and 134,686.13 is: 202,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,413.90 : 833,120.84 = 134,686.13 : x
  2. Step 2: Convert to fraction form
    555,413.90/833,120.84 = 134,686.13/x
  3. Step 3: Cross multiply
    555,413.90x = 833,120.84 × 134,686.13
  4. Step 4: Simplify right side
    555,413.90x = 112,209,817,933.06
  5. Step 5: Solve for x
    x = 112,209,817,933.06/555,413.90
  6. Step 6: Final answer
    x = 202,029.19

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Similar ratio
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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.