Home / 492,125.28-738,117.78-155,122.10

Finding the Fourth Proportional to 492,125.28, 738,117.78 and 155,122.10

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Solution

The fourth proportional to 492,125.28, 738,117.78 and 155,122.10 is: 232,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,125.28 : 738,117.78 = 155,122.10 : x
  2. Step 2: Convert to fraction form
    492,125.28/738,117.78 = 155,122.10/x
  3. Step 3: Cross multiply
    492,125.28x = 738,117.78 × 155,122.10
  4. Step 4: Simplify right side
    492,125.28x = 114,498,380,080.94
  5. Step 5: Solve for x
    x = 114,498,380,080.94/492,125.28
  6. Step 6: Final answer
    x = 232,661.04

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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.