Home / 251,045.55-346,314.76-160,306.11

Finding the Fourth Proportional to 251,045.55, 346,314.76 and 160,306.11

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Solution

The fourth proportional to 251,045.55, 346,314.76 and 160,306.11 is: 221,140.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,045.55 : 346,314.76 = 160,306.11 : x
  2. Step 2: Convert to fraction form
    251,045.55/346,314.76 = 160,306.11/x
  3. Step 3: Cross multiply
    251,045.55x = 346,314.76 × 160,306.11
  4. Step 4: Simplify right side
    251,045.55x = 55,516,371,610.42
  5. Step 5: Solve for x
    x = 55,516,371,610.42/251,045.55
  6. Step 6: Final answer
    x = 221,140.63

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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.