Home / 492,479.20-738,747.60-155,530.24

Finding the Fourth Proportional to 492,479.20, 738,747.60 and 155,530.24

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Solution

The fourth proportional to 492,479.20, 738,747.60 and 155,530.24 is: 233,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,479.20 : 738,747.60 = 155,530.24 : x
  2. Step 2: Convert to fraction form
    492,479.20/738,747.60 = 155,530.24/x
  3. Step 3: Cross multiply
    492,479.20x = 738,747.60 × 155,530.24
  4. Step 4: Simplify right side
    492,479.20x = 114,897,591,527.42
  5. Step 5: Solve for x
    x = 114,897,591,527.42/492,479.20
  6. Step 6: Final answer
    x = 233,304.46

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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.