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Finding the Fourth Proportional to 371,179.28, 556,768.80 and 134,521.52

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Solution

The fourth proportional to 371,179.28, 556,768.80 and 134,521.52 is: 201,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,179.28 : 556,768.80 = 134,521.52 : x
  2. Step 2: Convert to fraction form
    371,179.28/556,768.80 = 134,521.52/x
  3. Step 3: Cross multiply
    371,179.28x = 556,768.80 × 134,521.52
  4. Step 4: Simplify right side
    371,179.28x = 74,897,385,264.58
  5. Step 5: Solve for x
    x = 74,897,385,264.58/371,179.28
  6. Step 6: Final answer
    x = 201,782.24

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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.