Home / 498,860.24-748,284.96-143,862.80

Finding the Fourth Proportional to 498,860.24, 748,284.96 and 143,862.80

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Solution

The fourth proportional to 498,860.24, 748,284.96 and 143,862.80 is: 215,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,860.24 : 748,284.96 = 143,862.80 : x
  2. Step 2: Convert to fraction form
    498,860.24/748,284.96 = 143,862.80/x
  3. Step 3: Cross multiply
    498,860.24x = 748,284.96 × 143,862.80
  4. Step 4: Simplify right side
    498,860.24x = 107,650,369,543.49
  5. Step 5: Solve for x
    x = 107,650,369,543.49/498,860.24
  6. Step 6: Final answer
    x = 215,792.64

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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.