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Finding the Fourth Proportional to 306,167.92, 459,250.72 and 81,528.36

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Solution

The fourth proportional to 306,167.92, 459,250.72 and 81,528.36 is: 122,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,167.92 : 459,250.72 = 81,528.36 : x
  2. Step 2: Convert to fraction form
    306,167.92/459,250.72 = 81,528.36/x
  3. Step 3: Cross multiply
    306,167.92x = 459,250.72 × 81,528.36
  4. Step 4: Simplify right side
    306,167.92x = 37,441,958,030.42
  5. Step 5: Solve for x
    x = 37,441,958,030.42/306,167.92
  6. Step 6: Final answer
    x = 122,292.23

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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.