Home / 229,377.09-344,065.64-71,619.06

Finding the Fourth Proportional to 229,377.09, 344,065.64 and 71,619.06

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Solution

The fourth proportional to 229,377.09, 344,065.64 and 71,619.06 is: 107,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,377.09 : 344,065.64 = 71,619.06 : x
  2. Step 2: Convert to fraction form
    229,377.09/344,065.64 = 71,619.06/x
  3. Step 3: Cross multiply
    229,377.09x = 344,065.64 × 71,619.06
  4. Step 4: Simplify right side
    229,377.09x = 24,641,657,715.10
  5. Step 5: Solve for x
    x = 24,641,657,715.10/229,377.09
  6. Step 6: Final answer
    x = 107,428.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.