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Finding the Fourth Proportional to 384,088.40, 576,132.60 and 244,005.20

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Solution

The fourth proportional to 384,088.40, 576,132.60 and 244,005.20 is: 366,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,088.40 : 576,132.60 = 244,005.20 : x
  2. Step 2: Convert to fraction form
    384,088.40/576,132.60 = 244,005.20/x
  3. Step 3: Cross multiply
    384,088.40x = 576,132.60 × 244,005.20
  4. Step 4: Simplify right side
    384,088.40x = 140,579,350,289.52
  5. Step 5: Solve for x
    x = 140,579,350,289.52/384,088.40
  6. Step 6: Final answer
    x = 366,007.80

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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.