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Finding the Fourth Proportional to 228,054, 314,708.76 and 127,452.72

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Solution

The fourth proportional to 228,054, 314,708.76 and 127,452.72 is: 175,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,054 : 314,708.76 = 127,452.72 : x
  2. Step 2: Convert to fraction form
    228,054/314,708.76 = 127,452.72/x
  3. Step 3: Cross multiply
    228,054x = 314,708.76 × 127,452.72
  4. Step 4: Simplify right side
    228,054x = 40,110,487,469.83
  5. Step 5: Solve for x
    x = 40,110,487,469.83/228,054
  6. Step 6: Final answer
    x = 175,881.53

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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.