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Finding the Fourth Proportional to 284,479.96, 392,593.62 and 163,621.10

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Solution

The fourth proportional to 284,479.96, 392,593.62 and 163,621.10 is: 225,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,479.96 : 392,593.62 = 163,621.10 : x
  2. Step 2: Convert to fraction form
    284,479.96/392,593.62 = 163,621.10/x
  3. Step 3: Cross multiply
    284,479.96x = 392,593.62 × 163,621.10
  4. Step 4: Simplify right side
    284,479.96x = 64,236,599,957.38
  5. Step 5: Solve for x
    x = 64,236,599,957.38/284,479.96
  6. Step 6: Final answer
    x = 225,803.60

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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.