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Finding the Fourth Proportional to 218,646.32, 301,628.82 and 127,946.65

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Solution

The fourth proportional to 218,646.32, 301,628.82 and 127,946.65 is: 176,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,646.32 : 301,628.82 = 127,946.65 : x
  2. Step 2: Convert to fraction form
    218,646.32/301,628.82 = 127,946.65/x
  3. Step 3: Cross multiply
    218,646.32x = 301,628.82 × 127,946.65
  4. Step 4: Simplify right side
    218,646.32x = 38,592,397,062.45
  5. Step 5: Solve for x
    x = 38,592,397,062.45/218,646.32
  6. Step 6: Final answer
    x = 176,506.04

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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.