Home / 245,627.10-368,440.65-140,456.70

Finding the Fourth Proportional to 245,627.10, 368,440.65 and 140,456.70

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Solution

The fourth proportional to 245,627.10, 368,440.65 and 140,456.70 is: 210,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,627.10 : 368,440.65 = 140,456.70 : x
  2. Step 2: Convert to fraction form
    245,627.10/368,440.65 = 140,456.70/x
  3. Step 3: Cross multiply
    245,627.10x = 368,440.65 × 140,456.70
  4. Step 4: Simplify right side
    245,627.10x = 51,749,957,844.86
  5. Step 5: Solve for x
    x = 51,749,957,844.86/245,627.10
  6. Step 6: Final answer
    x = 210,685.05

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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.