Home / 217,741.56-326,543.22-69,963

Finding the Fourth Proportional to 217,741.56, 326,543.22 and 69,963

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Solution

The fourth proportional to 217,741.56, 326,543.22 and 69,963 is: 104,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.56 : 326,543.22 = 69,963 : x
  2. Step 2: Convert to fraction form
    217,741.56/326,543.22 = 69,963/x
  3. Step 3: Cross multiply
    217,741.56x = 326,543.22 × 69,963
  4. Step 4: Simplify right side
    217,741.56x = 22,845,943,300.86
  5. Step 5: Solve for x
    x = 22,845,943,300.86/217,741.56
  6. Step 6: Final answer
    x = 104,922.29

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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.