Home / 352,136.20-528,204.30-292,001.80

Finding the Fourth Proportional to 352,136.20, 528,204.30 and 292,001.80

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Solution

The fourth proportional to 352,136.20, 528,204.30 and 292,001.80 is: 438,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,136.20 : 528,204.30 = 292,001.80 : x
  2. Step 2: Convert to fraction form
    352,136.20/528,204.30 = 292,001.80/x
  3. Step 3: Cross multiply
    352,136.20x = 528,204.30 × 292,001.80
  4. Step 4: Simplify right side
    352,136.20x = 154,236,606,367.74
  5. Step 5: Solve for x
    x = 154,236,606,367.74/352,136.20
  6. Step 6: Final answer
    x = 438,002.70

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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.