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Finding the Fourth Proportional to 284,777.40, 393,253.74 and 228,600.12

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Solution

The fourth proportional to 284,777.40, 393,253.74 and 228,600.12 is: 315,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,777.40 : 393,253.74 = 228,600.12 : x
  2. Step 2: Convert to fraction form
    284,777.40/393,253.74 = 228,600.12/x
  3. Step 3: Cross multiply
    284,777.40x = 393,253.74 × 228,600.12
  4. Step 4: Simplify right side
    284,777.40x = 89,897,852,154.45
  5. Step 5: Solve for x
    x = 89,897,852,154.45/284,777.40
  6. Step 6: Final answer
    x = 315,677.62

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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.