Home / 253,964.89-380,613.07-141,697.95

Finding the Fourth Proportional to 253,964.89, 380,613.07 and 141,697.95

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Solution

The fourth proportional to 253,964.89, 380,613.07 and 141,697.95 is: 212,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,964.89 : 380,613.07 = 141,697.95 : x
  2. Step 2: Convert to fraction form
    253,964.89/380,613.07 = 141,697.95/x
  3. Step 3: Cross multiply
    253,964.89x = 380,613.07 × 141,697.95
  4. Step 4: Simplify right side
    253,964.89x = 53,932,091,762.21
  5. Step 5: Solve for x
    x = 53,932,091,762.21/253,964.89
  6. Step 6: Final answer
    x = 212,360.42

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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.