Home / 257,084.26-385,124.19-177,108.10

Finding the Fourth Proportional to 257,084.26, 385,124.19 and 177,108.10

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Solution

The fourth proportional to 257,084.26, 385,124.19 and 177,108.10 is: 265,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,084.26 : 385,124.19 = 177,108.10 : x
  2. Step 2: Convert to fraction form
    257,084.26/385,124.19 = 177,108.10/x
  3. Step 3: Cross multiply
    257,084.26x = 385,124.19 × 177,108.10
  4. Step 4: Simplify right side
    257,084.26x = 68,208,613,554.94
  5. Step 5: Solve for x
    x = 68,208,613,554.94/257,084.26
  6. Step 6: Final answer
    x = 265,316.18

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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.