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Finding the Fourth Proportional to 295,871.40, 442,932.30 and 278,569.80

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Solution

The fourth proportional to 295,871.40, 442,932.30 and 278,569.80 is: 417,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,871.40 : 442,932.30 = 278,569.80 : x
  2. Step 2: Convert to fraction form
    295,871.40/442,932.30 = 278,569.80/x
  3. Step 3: Cross multiply
    295,871.40x = 442,932.30 × 278,569.80
  4. Step 4: Simplify right side
    295,871.40x = 123,387,562,224.54
  5. Step 5: Solve for x
    x = 123,387,562,224.54/295,871.40
  6. Step 6: Final answer
    x = 417,031.06

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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.