Home / 344,787.39-476,041.01-215,778.11

Finding the Fourth Proportional to 344,787.39, 476,041.01 and 215,778.11

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Solution

The fourth proportional to 344,787.39, 476,041.01 and 215,778.11 is: 297,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,787.39 : 476,041.01 = 215,778.11 : x
  2. Step 2: Convert to fraction form
    344,787.39/476,041.01 = 215,778.11/x
  3. Step 3: Cross multiply
    344,787.39x = 476,041.01 × 215,778.11
  4. Step 4: Simplify right side
    344,787.39x = 102,719,225,961.20
  5. Step 5: Solve for x
    x = 102,719,225,961.20/344,787.39
  6. Step 6: Final answer
    x = 297,920.48

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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.