Home / 290,229.08-435,080.82-103,196.84

Finding the Fourth Proportional to 290,229.08, 435,080.82 and 103,196.84

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Solution

The fourth proportional to 290,229.08, 435,080.82 and 103,196.84 is: 154,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,229.08 : 435,080.82 = 103,196.84 : x
  2. Step 2: Convert to fraction form
    290,229.08/435,080.82 = 103,196.84/x
  3. Step 3: Cross multiply
    290,229.08x = 435,080.82 × 103,196.84
  4. Step 4: Simplify right side
    290,229.08x = 44,898,965,768.61
  5. Step 5: Solve for x
    x = 44,898,965,768.61/290,229.08
  6. Step 6: Final answer
    x = 154,701.82

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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.