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Finding the Fourth Proportional to 418,350.16, 577,327.68 and 227,363.56

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Solution

The fourth proportional to 418,350.16, 577,327.68 and 227,363.56 is: 313,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,350.16 : 577,327.68 = 227,363.56 : x
  2. Step 2: Convert to fraction form
    418,350.16/577,327.68 = 227,363.56/x
  3. Step 3: Cross multiply
    418,350.16x = 577,327.68 × 227,363.56
  4. Step 4: Simplify right side
    418,350.16x = 131,263,276,611.34
  5. Step 5: Solve for x
    x = 131,263,276,611.34/418,350.16
  6. Step 6: Final answer
    x = 313,764.14

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1.5x scale

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.