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Finding the Fourth Proportional to 395,752.74, 593,622.78 and 125,877

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Solution

The fourth proportional to 395,752.74, 593,622.78 and 125,877 is: 188,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,752.74 : 593,622.78 = 125,877 : x
  2. Step 2: Convert to fraction form
    395,752.74/593,622.78 = 125,877/x
  3. Step 3: Cross multiply
    395,752.74x = 593,622.78 × 125,877
  4. Step 4: Simplify right side
    395,752.74x = 74,723,454,678.06
  5. Step 5: Solve for x
    x = 74,723,454,678.06/395,752.74
  6. Step 6: Final answer
    x = 188,813.49

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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.