Home / 268,749.41-402,818.49-140,467.95

Finding the Fourth Proportional to 268,749.41, 402,818.49 and 140,467.95

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Solution

The fourth proportional to 268,749.41, 402,818.49 and 140,467.95 is: 210,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,749.41 : 402,818.49 = 140,467.95 : x
  2. Step 2: Convert to fraction form
    268,749.41/402,818.49 = 140,467.95/x
  3. Step 3: Cross multiply
    268,749.41x = 402,818.49 × 140,467.95
  4. Step 4: Simplify right side
    268,749.41x = 56,583,087,512.40
  5. Step 5: Solve for x
    x = 56,583,087,512.40/268,749.41
  6. Step 6: Final answer
    x = 210,542.19

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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.