Home / 217,360.74-326,134.95-117,591.21

Finding the Fourth Proportional to 217,360.74, 326,134.95 and 117,591.21

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Solution

The fourth proportional to 217,360.74, 326,134.95 and 117,591.21 is: 176,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,360.74 : 326,134.95 = 117,591.21 : x
  2. Step 2: Convert to fraction form
    217,360.74/326,134.95 = 117,591.21/x
  3. Step 3: Cross multiply
    217,360.74x = 326,134.95 × 117,591.21
  4. Step 4: Simplify right side
    217,360.74x = 38,350,603,393.79
  5. Step 5: Solve for x
    x = 38,350,603,393.79/217,360.74
  6. Step 6: Final answer
    x = 176,437.58

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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.