Home / 268,471.19-402,679.08-90,973.60

Finding the Fourth Proportional to 268,471.19, 402,679.08 and 90,973.60

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Solution

The fourth proportional to 268,471.19, 402,679.08 and 90,973.60 is: 136,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,471.19 : 402,679.08 = 90,973.60 : x
  2. Step 2: Convert to fraction form
    268,471.19/402,679.08 = 90,973.60/x
  3. Step 3: Cross multiply
    268,471.19x = 402,679.08 × 90,973.60
  4. Step 4: Simplify right side
    268,471.19x = 36,633,164,545.59
  5. Step 5: Solve for x
    x = 36,633,164,545.59/268,471.19
  6. Step 6: Final answer
    x = 136,451.01

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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.