Home / 284,455.08-392,577.30-163,600.92

Finding the Fourth Proportional to 284,455.08, 392,577.30 and 163,600.92

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Solution

The fourth proportional to 284,455.08, 392,577.30 and 163,600.92 is: 225,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,455.08 : 392,577.30 = 163,600.92 : x
  2. Step 2: Convert to fraction form
    284,455.08/392,577.30 = 163,600.92/x
  3. Step 3: Cross multiply
    284,455.08x = 392,577.30 × 163,600.92
  4. Step 4: Simplify right side
    284,455.08x = 64,226,007,451.12
  5. Step 5: Solve for x
    x = 64,226,007,451.12/284,455.08
  6. Step 6: Final answer
    x = 225,786.12

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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.