Home / 333,013.20-498,061.80-297,729.60

Finding the Fourth Proportional to 333,013.20, 498,061.80 and 297,729.60

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Solution

The fourth proportional to 333,013.20, 498,061.80 and 297,729.60 is: 445,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,013.20 : 498,061.80 = 297,729.60 : x
  2. Step 2: Convert to fraction form
    333,013.20/498,061.80 = 297,729.60/x
  3. Step 3: Cross multiply
    333,013.20x = 498,061.80 × 297,729.60
  4. Step 4: Simplify right side
    333,013.20x = 148,287,740,489.28
  5. Step 5: Solve for x
    x = 148,287,740,489.28/333,013.20
  6. Step 6: Final answer
    x = 445,290.88

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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.