Home / 635,624.42-953,438.18-155,854.33

Finding the Fourth Proportional to 635,624.42, 953,438.18 and 155,854.33

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Solution

The fourth proportional to 635,624.42, 953,438.18 and 155,854.33 is: 233,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,624.42 : 953,438.18 = 155,854.33 : x
  2. Step 2: Convert to fraction form
    635,624.42/953,438.18 = 155,854.33/x
  3. Step 3: Cross multiply
    635,624.42x = 953,438.18 × 155,854.33
  4. Step 4: Simplify right side
    635,624.42x = 148,597,465,577.45
  5. Step 5: Solve for x
    x = 148,597,465,577.45/635,624.42
  6. Step 6: Final answer
    x = 233,781.87

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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.