Home / 492,024.40-738,036.60-137,093.20

Finding the Fourth Proportional to 492,024.40, 738,036.60 and 137,093.20

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Solution

The fourth proportional to 492,024.40, 738,036.60 and 137,093.20 is: 205,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,024.40 : 738,036.60 = 137,093.20 : x
  2. Step 2: Convert to fraction form
    492,024.40/738,036.60 = 137,093.20/x
  3. Step 3: Cross multiply
    492,024.40x = 738,036.60 × 137,093.20
  4. Step 4: Simplify right side
    492,024.40x = 101,179,799,211.12
  5. Step 5: Solve for x
    x = 101,179,799,211.12/492,024.40
  6. Step 6: Final answer
    x = 205,639.80

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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.