Home / 351,267.21-526,687.25-137,779.29

Finding the Fourth Proportional to 351,267.21, 526,687.25 and 137,779.29

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Solution

The fourth proportional to 351,267.21, 526,687.25 and 137,779.29 is: 206,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,267.21 : 526,687.25 = 137,779.29 : x
  2. Step 2: Convert to fraction form
    351,267.21/526,687.25 = 137,779.29/x
  3. Step 3: Cross multiply
    351,267.21x = 526,687.25 × 137,779.29
  4. Step 4: Simplify right side
    351,267.21x = 72,566,594,668.16
  5. Step 5: Solve for x
    x = 72,566,594,668.16/351,267.21
  6. Step 6: Final answer
    x = 206,585.17

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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.