Home / 371,768.32-513,043.38-202,002.43

Finding the Fourth Proportional to 371,768.32, 513,043.38 and 202,002.43

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Solution

The fourth proportional to 371,768.32, 513,043.38 and 202,002.43 is: 278,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,768.32 : 513,043.38 = 202,002.43 : x
  2. Step 2: Convert to fraction form
    371,768.32/513,043.38 = 202,002.43/x
  3. Step 3: Cross multiply
    371,768.32x = 513,043.38 × 202,002.43
  4. Step 4: Simplify right side
    371,768.32x = 103,636,009,455.41
  5. Step 5: Solve for x
    x = 103,636,009,455.41/371,768.32
  6. Step 6: Final answer
    x = 278,765.04

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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.