Home / 352,545.30-528,909.08-152,819.55

Finding the Fourth Proportional to 352,545.30, 528,909.08 and 152,819.55

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Solution

The fourth proportional to 352,545.30, 528,909.08 and 152,819.55 is: 229,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,545.30 : 528,909.08 = 152,819.55 : x
  2. Step 2: Convert to fraction form
    352,545.30/528,909.08 = 152,819.55/x
  3. Step 3: Cross multiply
    352,545.30x = 528,909.08 × 152,819.55
  4. Step 4: Simplify right side
    352,545.30x = 80,827,646,832.42
  5. Step 5: Solve for x
    x = 80,827,646,832.42/352,545.30
  6. Step 6: Final answer
    x = 229,268.83

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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.