Home / 306,306.43-459,488.46-90,165.30

Finding the Fourth Proportional to 306,306.43, 459,488.46 and 90,165.30

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Solution

The fourth proportional to 306,306.43, 459,488.46 and 90,165.30 is: 135,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,306.43 : 459,488.46 = 90,165.30 : x
  2. Step 2: Convert to fraction form
    306,306.43/459,488.46 = 90,165.30/x
  3. Step 3: Cross multiply
    306,306.43x = 459,488.46 × 90,165.30
  4. Step 4: Simplify right side
    306,306.43x = 41,429,916,276.17
  5. Step 5: Solve for x
    x = 41,429,916,276.17/306,306.43
  6. Step 6: Final answer
    x = 135,256.44

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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.