Home / 360,997.12-498,228.16-208,006.02

Finding the Fourth Proportional to 360,997.12, 498,228.16 and 208,006.02

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Solution

The fourth proportional to 360,997.12, 498,228.16 and 208,006.02 is: 287,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,997.12 : 498,228.16 = 208,006.02 : x
  2. Step 2: Convert to fraction form
    360,997.12/498,228.16 = 208,006.02/x
  3. Step 3: Cross multiply
    360,997.12x = 498,228.16 × 208,006.02
  4. Step 4: Simplify right side
    360,997.12x = 103,634,456,613.52
  5. Step 5: Solve for x
    x = 103,634,456,613.52/360,997.12
  6. Step 6: Final answer
    x = 287,078.35

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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.