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Finding the Fourth Proportional to 437,859.77, 656,878.28 and 185,139.84

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Solution

The fourth proportional to 437,859.77, 656,878.28 and 185,139.84 is: 277,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,859.77 : 656,878.28 = 185,139.84 : x
  2. Step 2: Convert to fraction form
    437,859.77/656,878.28 = 185,139.84/x
  3. Step 3: Cross multiply
    437,859.77x = 656,878.28 × 185,139.84
  4. Step 4: Simplify right side
    437,859.77x = 121,614,341,196.27
  5. Step 5: Solve for x
    x = 121,614,341,196.27/437,859.77
  6. Step 6: Final answer
    x = 277,747.24

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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.