Home / 261,587.40-392,383.24-72,058.22

Finding the Fourth Proportional to 261,587.40, 392,383.24 and 72,058.22

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Solution

The fourth proportional to 261,587.40, 392,383.24 and 72,058.22 is: 108,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,587.40 : 392,383.24 = 72,058.22 : x
  2. Step 2: Convert to fraction form
    261,587.40/392,383.24 = 72,058.22/x
  3. Step 3: Cross multiply
    261,587.40x = 392,383.24 × 72,058.22
  4. Step 4: Simplify right side
    261,587.40x = 28,274,438,633.05
  5. Step 5: Solve for x
    x = 28,274,438,633.05/261,587.40
  6. Step 6: Final answer
    x = 108,087.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.