Home / 280,375.24-386,903.06-153,026.12

Finding the Fourth Proportional to 280,375.24, 386,903.06 and 153,026.12

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Solution

The fourth proportional to 280,375.24, 386,903.06 and 153,026.12 is: 211,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,375.24 : 386,903.06 = 153,026.12 : x
  2. Step 2: Convert to fraction form
    280,375.24/386,903.06 = 153,026.12/x
  3. Step 3: Cross multiply
    280,375.24x = 386,903.06 × 153,026.12
  4. Step 4: Simplify right side
    280,375.24x = 59,206,274,087.93
  5. Step 5: Solve for x
    x = 59,206,274,087.93/280,375.24
  6. Step 6: Final answer
    x = 211,167.98

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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.