Home / 499,089.60-748,634.40-144,115.20

Finding the Fourth Proportional to 499,089.60, 748,634.40 and 144,115.20

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Solution

The fourth proportional to 499,089.60, 748,634.40 and 144,115.20 is: 216,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,089.60 : 748,634.40 = 144,115.20 : x
  2. Step 2: Convert to fraction form
    499,089.60/748,634.40 = 144,115.20/x
  3. Step 3: Cross multiply
    499,089.60x = 748,634.40 × 144,115.20
  4. Step 4: Simplify right side
    499,089.60x = 107,889,596,282.88
  5. Step 5: Solve for x
    x = 107,889,596,282.88/499,089.60
  6. Step 6: Final answer
    x = 216,172.80

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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.