Home / 349,089.41-522,600.75-215,540.26

Finding the Fourth Proportional to 349,089.41, 522,600.75 and 215,540.26

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Solution

The fourth proportional to 349,089.41, 522,600.75 and 215,540.26 is: 322,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,089.41 : 522,600.75 = 215,540.26 : x
  2. Step 2: Convert to fraction form
    349,089.41/522,600.75 = 215,540.26/x
  3. Step 3: Cross multiply
    349,089.41x = 522,600.75 × 215,540.26
  4. Step 4: Simplify right side
    349,089.41x = 112,641,501,531.20
  5. Step 5: Solve for x
    x = 112,641,501,531.20/349,089.41
  6. Step 6: Final answer
    x = 322,672.35

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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.