Home / 220,971.48-304,926.27-130,306.65

Finding the Fourth Proportional to 220,971.48, 304,926.27 and 130,306.65

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Solution

The fourth proportional to 220,971.48, 304,926.27 and 130,306.65 is: 179,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,971.48 : 304,926.27 = 130,306.65 : x
  2. Step 2: Convert to fraction form
    220,971.48/304,926.27 = 130,306.65/x
  3. Step 3: Cross multiply
    220,971.48x = 304,926.27 × 130,306.65
  4. Step 4: Simplify right side
    220,971.48x = 39,733,920,740.70
  5. Step 5: Solve for x
    x = 39,733,920,740.70/220,971.48
  6. Step 6: Final answer
    x = 179,814.70

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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.