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Finding the Fourth Proportional to 229,148.93, 316,228.93 and 127,180.96

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Solution

The fourth proportional to 229,148.93, 316,228.93 and 127,180.96 is: 175,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,148.93 : 316,228.93 = 127,180.96 : x
  2. Step 2: Convert to fraction form
    229,148.93/316,228.93 = 127,180.96/x
  3. Step 3: Cross multiply
    229,148.93x = 316,228.93 × 127,180.96
  4. Step 4: Simplify right side
    229,148.93x = 40,218,298,897.17
  5. Step 5: Solve for x
    x = 40,218,298,897.17/229,148.93
  6. Step 6: Final answer
    x = 175,511.62

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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.