Home / 257,089.26-385,131.69-177,113.10

Finding the Fourth Proportional to 257,089.26, 385,131.69 and 177,113.10

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Solution

The fourth proportional to 257,089.26, 385,131.69 and 177,113.10 is: 265,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,089.26 : 385,131.69 = 177,113.10 : x
  2. Step 2: Convert to fraction form
    257,089.26/385,131.69 = 177,113.10/x
  3. Step 3: Cross multiply
    257,089.26x = 385,131.69 × 177,113.10
  4. Step 4: Simplify right side
    257,089.26x = 68,211,867,524.14
  5. Step 5: Solve for x
    x = 68,211,867,524.14/257,089.26
  6. Step 6: Final answer
    x = 265,323.68

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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.