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Finding the Fourth Proportional to 472,650.41, 652,330.26 and 279,078.71

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Solution

The fourth proportional to 472,650.41, 652,330.26 and 279,078.71 is: 385,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,650.41 : 652,330.26 = 279,078.71 : x
  2. Step 2: Convert to fraction form
    472,650.41/652,330.26 = 279,078.71/x
  3. Step 3: Cross multiply
    472,650.41x = 652,330.26 × 279,078.71
  4. Step 4: Simplify right side
    472,650.41x = 182,051,484,193.11
  5. Step 5: Solve for x
    x = 182,051,484,193.11/472,650.41
  6. Step 6: Final answer
    x = 385,171.53

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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.