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Finding the Fourth Proportional to 418,474.30, 577,487.72 and 227,492.50

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Solution

The fourth proportional to 418,474.30, 577,487.72 and 227,492.50 is: 313,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,474.30 : 577,487.72 = 227,492.50 : x
  2. Step 2: Convert to fraction form
    418,474.30/577,487.72 = 227,492.50/x
  3. Step 3: Cross multiply
    418,474.30x = 577,487.72 × 227,492.50
  4. Step 4: Simplify right side
    418,474.30x = 131,374,125,142.10
  5. Step 5: Solve for x
    x = 131,374,125,142.10/418,474.30
  6. Step 6: Final answer
    x = 313,935.95

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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.