Home / 401,867.48-554,575.17-220,582.50

Finding the Fourth Proportional to 401,867.48, 554,575.17 and 220,582.50

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Solution

The fourth proportional to 401,867.48, 554,575.17 and 220,582.50 is: 304,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,867.48 : 554,575.17 = 220,582.50 : x
  2. Step 2: Convert to fraction form
    401,867.48/554,575.17 = 220,582.50/x
  3. Step 3: Cross multiply
    401,867.48x = 554,575.17 × 220,582.50
  4. Step 4: Simplify right side
    401,867.48x = 122,329,577,436.53
  5. Step 5: Solve for x
    x = 122,329,577,436.53/401,867.48
  6. Step 6: Final answer
    x = 304,402.78

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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.