Home / 351,220.46-526,507.75-126,525.94

Finding the Fourth Proportional to 351,220.46, 526,507.75 and 126,525.94

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Solution

The fourth proportional to 351,220.46, 526,507.75 and 126,525.94 is: 189,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,220.46 : 526,507.75 = 126,525.94 : x
  2. Step 2: Convert to fraction form
    351,220.46/526,507.75 = 126,525.94/x
  3. Step 3: Cross multiply
    351,220.46x = 526,507.75 × 126,525.94
  4. Step 4: Simplify right side
    351,220.46x = 66,616,887,986.04
  5. Step 5: Solve for x
    x = 66,616,887,986.04/351,220.46
  6. Step 6: Final answer
    x = 189,672.57

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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.