Home / 345,317.45-476,428.43-194,385.29

Finding the Fourth Proportional to 345,317.45, 476,428.43 and 194,385.29

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Solution

The fourth proportional to 345,317.45, 476,428.43 and 194,385.29 is: 268,189.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,317.45 : 476,428.43 = 194,385.29 : x
  2. Step 2: Convert to fraction form
    345,317.45/476,428.43 = 194,385.29/x
  3. Step 3: Cross multiply
    345,317.45x = 476,428.43 × 194,385.29
  4. Step 4: Simplify right side
    345,317.45x = 92,610,676,633.62
  5. Step 5: Solve for x
    x = 92,610,676,633.62/345,317.45
  6. Step 6: Final answer
    x = 268,189.97

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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.