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Finding the Fourth Proportional to 395,194.68, 592,903.02 and 158,703.42

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Solution

The fourth proportional to 395,194.68, 592,903.02 and 158,703.42 is: 238,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,194.68 : 592,903.02 = 158,703.42 : x
  2. Step 2: Convert to fraction form
    395,194.68/592,903.02 = 158,703.42/x
  3. Step 3: Cross multiply
    395,194.68x = 592,903.02 × 158,703.42
  4. Step 4: Simplify right side
    395,194.68x = 94,095,737,002.33
  5. Step 5: Solve for x
    x = 94,095,737,002.33/395,194.68
  6. Step 6: Final answer
    x = 238,099.71

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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.