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Finding the Fourth Proportional to 395,470.29, 593,233 and 158,812.89

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Solution

The fourth proportional to 395,470.29, 593,233 and 158,812.89 is: 238,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,470.29 : 593,233 = 158,812.89 : x
  2. Step 2: Convert to fraction form
    395,470.29/593,233 = 158,812.89/x
  3. Step 3: Cross multiply
    395,470.29x = 593,233 × 158,812.89
  4. Step 4: Simplify right side
    395,470.29x = 94,213,047,173.37
  5. Step 5: Solve for x
    x = 94,213,047,173.37/395,470.29
  6. Step 6: Final answer
    x = 238,230.40

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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.