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Finding the Fourth Proportional to 510,160.32, 764,186.40 and 299,162.88

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Solution

The fourth proportional to 510,160.32, 764,186.40 and 299,162.88 is: 448,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,160.32 : 764,186.40 = 299,162.88 : x
  2. Step 2: Convert to fraction form
    510,160.32/764,186.40 = 299,162.88/x
  3. Step 3: Cross multiply
    510,160.32x = 764,186.40 × 299,162.88
  4. Step 4: Simplify right side
    510,160.32x = 228,616,204,280.83
  5. Step 5: Solve for x
    x = 228,616,204,280.83/510,160.32
  6. Step 6: Final answer
    x = 448,126.20

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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.