Home / 479,532.76-719,292.87-137,985.10

Finding the Fourth Proportional to 479,532.76, 719,292.87 and 137,985.10

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Solution

The fourth proportional to 479,532.76, 719,292.87 and 137,985.10 is: 206,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,532.76 : 719,292.87 = 137,985.10 : x
  2. Step 2: Convert to fraction form
    479,532.76/719,292.87 = 137,985.10/x
  3. Step 3: Cross multiply
    479,532.76x = 719,292.87 × 137,985.10
  4. Step 4: Simplify right side
    479,532.76x = 99,251,696,798.00
  5. Step 5: Solve for x
    x = 99,251,696,798.00/479,532.76
  6. Step 6: Final answer
    x = 206,975.84

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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.