Home / 492,101.28-738,145.44-137,117.16

Finding the Fourth Proportional to 492,101.28, 738,145.44 and 137,117.16

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Solution

The fourth proportional to 492,101.28, 738,145.44 and 137,117.16 is: 205,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,101.28 : 738,145.44 = 137,117.16 : x
  2. Step 2: Convert to fraction form
    492,101.28/738,145.44 = 137,117.16/x
  3. Step 3: Cross multiply
    492,101.28x = 738,145.44 × 137,117.16
  4. Step 4: Simplify right side
    492,101.28x = 101,212,406,399.75
  5. Step 5: Solve for x
    x = 101,212,406,399.75/492,101.28
  6. Step 6: Final answer
    x = 205,673.93

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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.