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Finding the Fourth Proportional to 202,816.80, 304,225.20 and 62,575.20

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Solution

The fourth proportional to 202,816.80, 304,225.20 and 62,575.20 is: 93,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,816.80 : 304,225.20 = 62,575.20 : x
  2. Step 2: Convert to fraction form
    202,816.80/304,225.20 = 62,575.20/x
  3. Step 3: Cross multiply
    202,816.80x = 304,225.20 × 62,575.20
  4. Step 4: Simplify right side
    202,816.80x = 19,036,952,735.04
  5. Step 5: Solve for x
    x = 19,036,952,735.04/202,816.80
  6. Step 6: Final answer
    x = 93,862.80

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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.