Home / 447,248.02-670,735.44-127,426

Finding the Fourth Proportional to 447,248.02, 670,735.44 and 127,426

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Solution

The fourth proportional to 447,248.02, 670,735.44 and 127,426 is: 191,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,248.02 : 670,735.44 = 127,426 : x
  2. Step 2: Convert to fraction form
    447,248.02/670,735.44 = 127,426/x
  3. Step 3: Cross multiply
    447,248.02x = 670,735.44 × 127,426
  4. Step 4: Simplify right side
    447,248.02x = 85,469,134,177.44
  5. Step 5: Solve for x
    x = 85,469,134,177.44/447,248.02
  6. Step 6: Final answer
    x = 191,100.08

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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.