Home / 426,167.24-588,331.90-311,316.93

Finding the Fourth Proportional to 426,167.24, 588,331.90 and 311,316.93

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Solution

The fourth proportional to 426,167.24, 588,331.90 and 311,316.93 is: 429,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,167.24 : 588,331.90 = 311,316.93 : x
  2. Step 2: Convert to fraction form
    426,167.24/588,331.90 = 311,316.93/x
  3. Step 3: Cross multiply
    426,167.24x = 588,331.90 × 311,316.93
  4. Step 4: Simplify right side
    426,167.24x = 183,157,681,318.21
  5. Step 5: Solve for x
    x = 183,157,681,318.21/426,167.24
  6. Step 6: Final answer
    x = 429,778.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.