Home / 280,950.30-387,679.59-166,232.46

Finding the Fourth Proportional to 280,950.30, 387,679.59 and 166,232.46

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Solution

The fourth proportional to 280,950.30, 387,679.59 and 166,232.46 is: 229,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,950.30 : 387,679.59 = 166,232.46 : x
  2. Step 2: Convert to fraction form
    280,950.30/387,679.59 = 166,232.46/x
  3. Step 3: Cross multiply
    280,950.30x = 387,679.59 × 166,232.46
  4. Step 4: Simplify right side
    280,950.30x = 64,444,931,937.49
  5. Step 5: Solve for x
    x = 64,444,931,937.49/280,950.30
  6. Step 6: Final answer
    x = 229,381.97

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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.