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Finding the Fourth Proportional to 307,658.32, 461,565.42 and 94,437.04

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Solution

The fourth proportional to 307,658.32, 461,565.42 and 94,437.04 is: 141,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,658.32 : 461,565.42 = 94,437.04 : x
  2. Step 2: Convert to fraction form
    307,658.32/461,565.42 = 94,437.04/x
  3. Step 3: Cross multiply
    307,658.32x = 461,565.42 × 94,437.04
  4. Step 4: Simplify right side
    307,658.32x = 43,588,871,919.75
  5. Step 5: Solve for x
    x = 43,588,871,919.75/307,658.32
  6. Step 6: Final answer
    x = 141,679.48

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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.