Home / 231,128.10-346,692.15-210,460.95

Finding the Fourth Proportional to 231,128.10, 346,692.15 and 210,460.95

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Solution

The fourth proportional to 231,128.10, 346,692.15 and 210,460.95 is: 315,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,128.10 : 346,692.15 = 210,460.95 : x
  2. Step 2: Convert to fraction form
    231,128.10/346,692.15 = 210,460.95/x
  3. Step 3: Cross multiply
    231,128.10x = 346,692.15 × 210,460.95
  4. Step 4: Simplify right side
    231,128.10x = 72,965,159,246.54
  5. Step 5: Solve for x
    x = 72,965,159,246.54/231,128.10
  6. Step 6: Final answer
    x = 315,691.43

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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.