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Finding the Fourth Proportional to 395,190.16, 592,896.24 and 158,698.92

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Solution

The fourth proportional to 395,190.16, 592,896.24 and 158,698.92 is: 238,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,190.16 : 592,896.24 = 158,698.92 : x
  2. Step 2: Convert to fraction form
    395,190.16/592,896.24 = 158,698.92/x
  3. Step 3: Cross multiply
    395,190.16x = 592,896.24 × 158,698.92
  4. Step 4: Simplify right side
    395,190.16x = 94,091,992,960.06
  5. Step 5: Solve for x
    x = 94,091,992,960.06/395,190.16
  6. Step 6: Final answer
    x = 238,092.95

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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.