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Finding the Fourth Proportional to 418,483.05, 577,499.79 and 227,501.25

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Solution

The fourth proportional to 418,483.05, 577,499.79 and 227,501.25 is: 313,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,483.05 : 577,499.79 = 227,501.25 : x
  2. Step 2: Convert to fraction form
    418,483.05/577,499.79 = 227,501.25/x
  3. Step 3: Cross multiply
    418,483.05x = 577,499.79 × 227,501.25
  4. Step 4: Simplify right side
    418,483.05x = 131,381,924,099.74
  5. Step 5: Solve for x
    x = 131,381,924,099.74/418,483.05
  6. Step 6: Final answer
    x = 313,948.02

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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.