Home / 395,432.06-592,286.81-205,318.89

Finding the Fourth Proportional to 395,432.06, 592,286.81 and 205,318.89

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Solution

The fourth proportional to 395,432.06, 592,286.81 and 205,318.89 is: 307,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,432.06 : 592,286.81 = 205,318.89 : x
  2. Step 2: Convert to fraction form
    395,432.06/592,286.81 = 205,318.89/x
  3. Step 3: Cross multiply
    395,432.06x = 592,286.81 × 205,318.89
  4. Step 4: Simplify right side
    395,432.06x = 121,607,669,364.25
  5. Step 5: Solve for x
    x = 121,607,669,364.25/395,432.06
  6. Step 6: Final answer
    x = 307,531.14

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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.