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Finding the Fourth Proportional to 229,148.68, 316,228.58 and 127,180.70

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Solution

The fourth proportional to 229,148.68, 316,228.58 and 127,180.70 is: 175,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,148.68 : 316,228.58 = 127,180.70 : x
  2. Step 2: Convert to fraction form
    229,148.68/316,228.58 = 127,180.70/x
  3. Step 3: Cross multiply
    229,148.68x = 316,228.58 × 127,180.70
  4. Step 4: Simplify right side
    229,148.68x = 40,218,172,164.41
  5. Step 5: Solve for x
    x = 40,218,172,164.41/229,148.68
  6. Step 6: Final answer
    x = 175,511.25

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1.5x scale

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.