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Finding the Fourth Proportional to 395,032.68, 592,622.73 and 158,393.88

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Solution

The fourth proportional to 395,032.68, 592,622.73 and 158,393.88 is: 237,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,032.68 : 592,622.73 = 158,393.88 : x
  2. Step 2: Convert to fraction form
    395,032.68/592,622.73 = 158,393.88/x
  3. Step 3: Cross multiply
    395,032.68x = 592,622.73 × 158,393.88
  4. Step 4: Simplify right side
    395,032.68x = 93,867,813,580.89
  5. Step 5: Solve for x
    x = 93,867,813,580.89/395,032.68
  6. Step 6: Final answer
    x = 237,620.38

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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.