Home / 289,743.44-399,868.10-182,405.48

Finding the Fourth Proportional to 289,743.44, 399,868.10 and 182,405.48

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Solution

The fourth proportional to 289,743.44, 399,868.10 and 182,405.48 is: 251,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,743.44 : 399,868.10 = 182,405.48 : x
  2. Step 2: Convert to fraction form
    289,743.44/399,868.10 = 182,405.48/x
  3. Step 3: Cross multiply
    289,743.44x = 399,868.10 × 182,405.48
  4. Step 4: Simplify right side
    289,743.44x = 72,938,132,717.19
  5. Step 5: Solve for x
    x = 72,938,132,717.19/289,743.44
  6. Step 6: Final answer
    x = 251,733.51

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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.