Home / 492,121.27-738,111.80-155,118.10

Finding the Fourth Proportional to 492,121.27, 738,111.80 and 155,118.10

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Solution

The fourth proportional to 492,121.27, 738,111.80 and 155,118.10 is: 232,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,121.27 : 738,111.80 = 155,118.10 : x
  2. Step 2: Convert to fraction form
    492,121.27/738,111.80 = 155,118.10/x
  3. Step 3: Cross multiply
    492,121.27x = 738,111.80 × 155,118.10
  4. Step 4: Simplify right side
    492,121.27x = 114,494,499,227.99
  5. Step 5: Solve for x
    x = 114,494,499,227.99/492,121.27
  6. Step 6: Final answer
    x = 232,655.05

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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.