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Finding the Fourth Proportional to 220,969.48, 304,923.51 and 130,304.65

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Solution

The fourth proportional to 220,969.48, 304,923.51 and 130,304.65 is: 179,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,969.48 : 304,923.51 = 130,304.65 : x
  2. Step 2: Convert to fraction form
    220,969.48/304,923.51 = 130,304.65/x
  3. Step 3: Cross multiply
    220,969.48x = 304,923.51 × 130,304.65
  4. Step 4: Simplify right side
    220,969.48x = 39,732,951,247.32
  5. Step 5: Solve for x
    x = 39,732,951,247.32/220,969.48
  6. Step 6: Final answer
    x = 179,811.94

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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.