Home / 457,220.02-685,579.47-141,589.30

Finding the Fourth Proportional to 457,220.02, 685,579.47 and 141,589.30

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Solution

The fourth proportional to 457,220.02, 685,579.47 and 141,589.30 is: 212,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,220.02 : 685,579.47 = 141,589.30 : x
  2. Step 2: Convert to fraction form
    457,220.02/685,579.47 = 141,589.30/x
  3. Step 3: Cross multiply
    457,220.02x = 685,579.47 × 141,589.30
  4. Step 4: Simplify right side
    457,220.02x = 97,070,717,251.67
  5. Step 5: Solve for x
    x = 97,070,717,251.67/457,220.02
  6. Step 6: Final answer
    x = 212,306.36

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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.