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Finding the Fourth Proportional to 501,818.40, 752,144.40 and 202,150.80

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Solution

The fourth proportional to 501,818.40, 752,144.40 and 202,150.80 is: 302,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,818.40 : 752,144.40 = 202,150.80 : x
  2. Step 2: Convert to fraction form
    501,818.40/752,144.40 = 202,150.80/x
  3. Step 3: Cross multiply
    501,818.40x = 752,144.40 × 202,150.80
  4. Step 4: Simplify right side
    501,818.40x = 152,046,592,175.52
  5. Step 5: Solve for x
    x = 152,046,592,175.52/501,818.40
  6. Step 6: Final answer
    x = 302,991.27

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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.