Home / 280,952.30-387,682.35-166,234.46

Finding the Fourth Proportional to 280,952.30, 387,682.35 and 166,234.46

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Solution

The fourth proportional to 280,952.30, 387,682.35 and 166,234.46 is: 229,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,952.30 : 387,682.35 = 166,234.46 : x
  2. Step 2: Convert to fraction form
    280,952.30/387,682.35 = 166,234.46/x
  3. Step 3: Cross multiply
    280,952.30x = 387,682.35 × 166,234.46
  4. Step 4: Simplify right side
    280,952.30x = 64,446,166,103.78
  5. Step 5: Solve for x
    x = 64,446,166,103.78/280,952.30
  6. Step 6: Final answer
    x = 229,384.73

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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.