Home / 220,905.69-304,862.04-130,314.75

Finding the Fourth Proportional to 220,905.69, 304,862.04 and 130,314.75

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Solution

The fourth proportional to 220,905.69, 304,862.04 and 130,314.75 is: 179,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,905.69 : 304,862.04 = 130,314.75 : x
  2. Step 2: Convert to fraction form
    220,905.69/304,862.04 = 130,314.75/x
  3. Step 3: Cross multiply
    220,905.69x = 304,862.04 × 130,314.75
  4. Step 4: Simplify right side
    220,905.69x = 39,728,020,527.09
  5. Step 5: Solve for x
    x = 39,728,020,527.09/220,905.69
  6. Step 6: Final answer
    x = 179,841.54

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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.