Home / 217,741.82-326,485.61-84,466.35

Finding the Fourth Proportional to 217,741.82, 326,485.61 and 84,466.35

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Solution

The fourth proportional to 217,741.82, 326,485.61 and 84,466.35 is: 126,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.82 : 326,485.61 = 84,466.35 : x
  2. Step 2: Convert to fraction form
    217,741.82/326,485.61 = 84,466.35/x
  3. Step 3: Cross multiply
    217,741.82x = 326,485.61 × 84,466.35
  4. Step 4: Simplify right side
    217,741.82x = 27,577,047,381.89
  5. Step 5: Solve for x
    x = 27,577,047,381.89/217,741.82
  6. Step 6: Final answer
    x = 126,650.21

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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.