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Finding the Fourth Proportional to 472,516.32, 652,048.88 and 268,540.32

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Solution

The fourth proportional to 472,516.32, 652,048.88 and 268,540.32 is: 370,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,516.32 : 652,048.88 = 268,540.32 : x
  2. Step 2: Convert to fraction form
    472,516.32/652,048.88 = 268,540.32/x
  3. Step 3: Cross multiply
    472,516.32x = 652,048.88 × 268,540.32
  4. Step 4: Simplify right side
    472,516.32x = 175,101,414,890.84
  5. Step 5: Solve for x
    x = 175,101,414,890.84/472,516.32
  6. Step 6: Final answer
    x = 370,572.21

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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.