Home / 217,561.68-326,038.80-117,506.28

Finding the Fourth Proportional to 217,561.68, 326,038.80 and 117,506.28

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Solution

The fourth proportional to 217,561.68, 326,038.80 and 117,506.28 is: 176,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,561.68 : 326,038.80 = 117,506.28 : x
  2. Step 2: Convert to fraction form
    217,561.68/326,038.80 = 117,506.28/x
  3. Step 3: Cross multiply
    217,561.68x = 326,038.80 × 117,506.28
  4. Step 4: Simplify right side
    217,561.68x = 38,311,606,523.66
  5. Step 5: Solve for x
    x = 38,311,606,523.66/217,561.68
  6. Step 6: Final answer
    x = 176,095.38

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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.