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Finding the Fourth Proportional to 395,303.38, 593,065.92 and 158,812.14

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Solution

The fourth proportional to 395,303.38, 593,065.92 and 158,812.14 is: 238,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,303.38 : 593,065.92 = 158,812.14 : x
  2. Step 2: Convert to fraction form
    395,303.38/593,065.92 = 158,812.14/x
  3. Step 3: Cross multiply
    395,303.38x = 593,065.92 × 158,812.14
  4. Step 4: Simplify right side
    395,303.38x = 94,186,067,916.27
  5. Step 5: Solve for x
    x = 94,186,067,916.27/395,303.38
  6. Step 6: Final answer
    x = 238,262.74

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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.