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Finding the Fourth Proportional to 507,051.90, 760,528.29 and 133,074.90

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Solution

The fourth proportional to 507,051.90, 760,528.29 and 133,074.90 is: 199,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,051.90 : 760,528.29 = 133,074.90 : x
  2. Step 2: Convert to fraction form
    507,051.90/760,528.29 = 133,074.90/x
  3. Step 3: Cross multiply
    507,051.90x = 760,528.29 × 133,074.90
  4. Step 4: Simplify right side
    507,051.90x = 101,207,226,138.92
  5. Step 5: Solve for x
    x = 101,207,226,138.92/507,051.90
  6. Step 6: Final answer
    x = 199,599.34

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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.