Home / 220,971.24-304,925.94-130,306.41

Finding the Fourth Proportional to 220,971.24, 304,925.94 and 130,306.41

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Solution

The fourth proportional to 220,971.24, 304,925.94 and 130,306.41 is: 179,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,971.24 : 304,925.94 = 130,306.41 : x
  2. Step 2: Convert to fraction form
    220,971.24/304,925.94 = 130,306.41/x
  3. Step 3: Cross multiply
    220,971.24x = 304,925.94 × 130,306.41
  4. Step 4: Simplify right side
    220,971.24x = 39,733,804,557.28
  5. Step 5: Solve for x
    x = 39,733,804,557.28/220,971.24
  6. Step 6: Final answer
    x = 179,814.37

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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.