Home / 278,034.34-383,677.10-150,707.20

Finding the Fourth Proportional to 278,034.34, 383,677.10 and 150,707.20

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Solution

The fourth proportional to 278,034.34, 383,677.10 and 150,707.20 is: 207,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,034.34 : 383,677.10 = 150,707.20 : x
  2. Step 2: Convert to fraction form
    278,034.34/383,677.10 = 150,707.20/x
  3. Step 3: Cross multiply
    278,034.34x = 383,677.10 × 150,707.20
  4. Step 4: Simplify right side
    278,034.34x = 57,822,901,445.12
  5. Step 5: Solve for x
    x = 57,822,901,445.12/278,034.34
  6. Step 6: Final answer
    x = 207,970.36

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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.