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Finding the Fourth Proportional to 384,125.30, 576,187.95 and 103,670.90

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Solution

The fourth proportional to 384,125.30, 576,187.95 and 103,670.90 is: 155,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,125.30 : 576,187.95 = 103,670.90 : x
  2. Step 2: Convert to fraction form
    384,125.30/576,187.95 = 103,670.90/x
  3. Step 3: Cross multiply
    384,125.30x = 576,187.95 × 103,670.90
  4. Step 4: Simplify right side
    384,125.30x = 59,733,923,345.66
  5. Step 5: Solve for x
    x = 59,733,923,345.66/384,125.30
  6. Step 6: Final answer
    x = 155,506.35

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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.