Home / 281,041.32-387,851.22-166,385.76

Finding the Fourth Proportional to 281,041.32, 387,851.22 and 166,385.76

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Solution

The fourth proportional to 281,041.32, 387,851.22 and 166,385.76 is: 229,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,041.32 : 387,851.22 = 166,385.76 : x
  2. Step 2: Convert to fraction form
    281,041.32/387,851.22 = 166,385.76/x
  3. Step 3: Cross multiply
    281,041.32x = 387,851.22 × 166,385.76
  4. Step 4: Simplify right side
    281,041.32x = 64,532,920,006.63
  5. Step 5: Solve for x
    x = 64,532,920,006.63/281,041.32
  6. Step 6: Final answer
    x = 229,620.75

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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.