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Finding the Fourth Proportional to 359,613.02, 539,252.67 and 209,896.40

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Solution

The fourth proportional to 359,613.02, 539,252.67 and 209,896.40 is: 314,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,613.02 : 539,252.67 = 209,896.40 : x
  2. Step 2: Convert to fraction form
    359,613.02/539,252.67 = 209,896.40/x
  3. Step 3: Cross multiply
    359,613.02x = 539,252.67 × 209,896.40
  4. Step 4: Simplify right side
    359,613.02x = 113,187,194,123.39
  5. Step 5: Solve for x
    x = 113,187,194,123.39/359,613.02
  6. Step 6: Final answer
    x = 314,747.21

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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.