Home / 498,700.08-688,196.52-272,347.20

Finding the Fourth Proportional to 498,700.08, 688,196.52 and 272,347.20

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Solution

The fourth proportional to 498,700.08, 688,196.52 and 272,347.20 is: 375,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,700.08 : 688,196.52 = 272,347.20 : x
  2. Step 2: Convert to fraction form
    498,700.08/688,196.52 = 272,347.20/x
  3. Step 3: Cross multiply
    498,700.08x = 688,196.52 × 272,347.20
  4. Step 4: Simplify right side
    498,700.08x = 187,428,395,271.74
  5. Step 5: Solve for x
    x = 187,428,395,271.74/498,700.08
  6. Step 6: Final answer
    x = 375,833.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.