Home / 492,119.52-738,109.17-155,116.35

Finding the Fourth Proportional to 492,119.52, 738,109.17 and 155,116.35

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Solution

The fourth proportional to 492,119.52, 738,109.17 and 155,116.35 is: 232,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,119.52 : 738,109.17 = 155,116.35 : x
  2. Step 2: Convert to fraction form
    492,119.52/738,109.17 = 155,116.35/x
  3. Step 3: Cross multiply
    492,119.52x = 738,109.17 × 155,116.35
  4. Step 4: Simplify right side
    492,119.52x = 114,492,800,351.93
  5. Step 5: Solve for x
    x = 114,492,800,351.93/492,119.52
  6. Step 6: Final answer
    x = 232,652.43

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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.