Home / 349,059.75-523,560.37-138,641.19

Finding the Fourth Proportional to 349,059.75, 523,560.37 and 138,641.19

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Solution

The fourth proportional to 349,059.75, 523,560.37 and 138,641.19 is: 207,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,059.75 : 523,560.37 = 138,641.19 : x
  2. Step 2: Convert to fraction form
    349,059.75/523,560.37 = 138,641.19/x
  3. Step 3: Cross multiply
    349,059.75x = 523,560.37 × 138,641.19
  4. Step 4: Simplify right side
    349,059.75x = 72,587,032,733.64
  5. Step 5: Solve for x
    x = 72,587,032,733.64/349,059.75
  6. Step 6: Final answer
    x = 207,950.17

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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.