Home / 472,242.20-708,536.10-191,787.80

Finding the Fourth Proportional to 472,242.20, 708,536.10 and 191,787.80

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Solution

The fourth proportional to 472,242.20, 708,536.10 and 191,787.80 is: 287,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,242.20 : 708,536.10 = 191,787.80 : x
  2. Step 2: Convert to fraction form
    472,242.20/708,536.10 = 191,787.80/x
  3. Step 3: Cross multiply
    472,242.20x = 708,536.10 × 191,787.80
  4. Step 4: Simplify right side
    472,242.20x = 135,888,579,839.58
  5. Step 5: Solve for x
    x = 135,888,579,839.58/472,242.20
  6. Step 6: Final answer
    x = 287,751.88

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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.