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Finding the Fourth Proportional to 508,880.72, 763,459.32 and 153,906.32

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Solution

The fourth proportional to 508,880.72, 763,459.32 and 153,906.32 is: 230,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,880.72 : 763,459.32 = 153,906.32 : x
  2. Step 2: Convert to fraction form
    508,880.72/763,459.32 = 153,906.32/x
  3. Step 3: Cross multiply
    508,880.72x = 763,459.32 × 153,906.32
  4. Step 4: Simplify right side
    508,880.72x = 117,501,214,410.90
  5. Step 5: Solve for x
    x = 117,501,214,410.90/508,880.72
  6. Step 6: Final answer
    x = 230,901.29

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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.