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Finding the Fourth Proportional to 407,459.90, 562,234.68 and 226,173.20

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Solution

The fourth proportional to 407,459.90, 562,234.68 and 226,173.20 is: 312,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,459.90 : 562,234.68 = 226,173.20 : x
  2. Step 2: Convert to fraction form
    407,459.90/562,234.68 = 226,173.20/x
  3. Step 3: Cross multiply
    407,459.90x = 562,234.68 × 226,173.20
  4. Step 4: Simplify right side
    407,459.90x = 127,162,416,726.58
  5. Step 5: Solve for x
    x = 127,162,416,726.58/407,459.90
  6. Step 6: Final answer
    x = 312,085.72

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