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Finding the Fourth Proportional to 227,615.67, 314,109.63 and 125,641.16

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Solution

The fourth proportional to 227,615.67, 314,109.63 and 125,641.16 is: 173,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,615.67 : 314,109.63 = 125,641.16 : x
  2. Step 2: Convert to fraction form
    227,615.67/314,109.63 = 125,641.16/x
  3. Step 3: Cross multiply
    227,615.67x = 314,109.63 × 125,641.16
  4. Step 4: Simplify right side
    227,615.67x = 39,465,096,709.82
  5. Step 5: Solve for x
    x = 39,465,096,709.82/227,615.67
  6. Step 6: Final answer
    x = 173,384.80

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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.