Home / 217,695.09-326,458.76-84,557.82

Finding the Fourth Proportional to 217,695.09, 326,458.76 and 84,557.82

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Solution

The fourth proportional to 217,695.09, 326,458.76 and 84,557.82 is: 126,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,695.09 : 326,458.76 = 84,557.82 : x
  2. Step 2: Convert to fraction form
    217,695.09/326,458.76 = 84,557.82/x
  3. Step 3: Cross multiply
    217,695.09x = 326,458.76 × 84,557.82
  4. Step 4: Simplify right side
    217,695.09x = 27,604,641,866.93
  5. Step 5: Solve for x
    x = 27,604,641,866.93/217,695.09
  6. Step 6: Final answer
    x = 126,804.15

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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.