Home / 435,769.88-653,679.42-155,287.13

Finding the Fourth Proportional to 435,769.88, 653,679.42 and 155,287.13

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Solution

The fourth proportional to 435,769.88, 653,679.42 and 155,287.13 is: 232,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,769.88 : 653,679.42 = 155,287.13 : x
  2. Step 2: Convert to fraction form
    435,769.88/653,679.42 = 155,287.13/x
  3. Step 3: Cross multiply
    435,769.88x = 653,679.42 × 155,287.13
  4. Step 4: Simplify right side
    435,769.88x = 101,507,997,221.14
  5. Step 5: Solve for x
    x = 101,507,997,221.14/435,769.88
  6. Step 6: Final answer
    x = 232,939.46

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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.