Home / 451,101.02-676,439.58-261,615.20

Finding the Fourth Proportional to 451,101.02, 676,439.58 and 261,615.20

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Solution

The fourth proportional to 451,101.02, 676,439.58 and 261,615.20 is: 392,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,101.02 : 676,439.58 = 261,615.20 : x
  2. Step 2: Convert to fraction form
    451,101.02/676,439.58 = 261,615.20/x
  3. Step 3: Cross multiply
    451,101.02x = 676,439.58 × 261,615.20
  4. Step 4: Simplify right side
    451,101.02x = 176,966,876,009.62
  5. Step 5: Solve for x
    x = 176,966,876,009.62/451,101.02
  6. Step 6: Final answer
    x = 392,299.88

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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.