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Finding the Fourth Proportional to 295,204.80, 442,807.20 and 251,027.40

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Solution

The fourth proportional to 295,204.80, 442,807.20 and 251,027.40 is: 376,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,204.80 : 442,807.20 = 251,027.40 : x
  2. Step 2: Convert to fraction form
    295,204.80/442,807.20 = 251,027.40/x
  3. Step 3: Cross multiply
    295,204.80x = 442,807.20 × 251,027.40
  4. Step 4: Simplify right side
    295,204.80x = 111,156,740,117.28
  5. Step 5: Solve for x
    x = 111,156,740,117.28/295,204.80
  6. Step 6: Final answer
    x = 376,541.10

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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.