Home / 220,408.95-304,197.59-134,417.82

Finding the Fourth Proportional to 220,408.95, 304,197.59 and 134,417.82

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Solution

The fourth proportional to 220,408.95, 304,197.59 and 134,417.82 is: 185,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,408.95 : 304,197.59 = 134,417.82 : x
  2. Step 2: Convert to fraction form
    220,408.95/304,197.59 = 134,417.82/x
  3. Step 3: Cross multiply
    220,408.95x = 304,197.59 × 134,417.82
  4. Step 4: Simplify right side
    220,408.95x = 40,889,576,897.05
  5. Step 5: Solve for x
    x = 40,889,576,897.05/220,408.95
  6. Step 6: Final answer
    x = 185,516.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.