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Finding the Fourth Proportional to 228,062.72, 314,776.52 and 132,624.47

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Solution

The fourth proportional to 228,062.72, 314,776.52 and 132,624.47 is: 183,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,062.72 : 314,776.52 = 132,624.47 : x
  2. Step 2: Convert to fraction form
    228,062.72/314,776.52 = 132,624.47/x
  3. Step 3: Cross multiply
    228,062.72x = 314,776.52 × 132,624.47
  4. Step 4: Simplify right side
    228,062.72x = 41,747,066,896.44
  5. Step 5: Solve for x
    x = 41,747,066,896.44/228,062.72
  6. Step 6: Final answer
    x = 183,050.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.