Home / 339,826.12-509,706.27-103,170.85

Finding the Fourth Proportional to 339,826.12, 509,706.27 and 103,170.85

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Solution

The fourth proportional to 339,826.12, 509,706.27 and 103,170.85 is: 154,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,826.12 : 509,706.27 = 103,170.85 : x
  2. Step 2: Convert to fraction form
    339,826.12/509,706.27 = 103,170.85/x
  3. Step 3: Cross multiply
    339,826.12x = 509,706.27 × 103,170.85
  4. Step 4: Simplify right side
    339,826.12x = 52,586,827,851.96
  5. Step 5: Solve for x
    x = 52,586,827,851.96/339,826.12
  6. Step 6: Final answer
    x = 154,746.28

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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.