Home / 257,516.10-385,496.55-226,412.10

Finding the Fourth Proportional to 257,516.10, 385,496.55 and 226,412.10

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Solution

The fourth proportional to 257,516.10, 385,496.55 and 226,412.10 is: 338,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,516.10 : 385,496.55 = 226,412.10 : x
  2. Step 2: Convert to fraction form
    257,516.10/385,496.55 = 226,412.10/x
  3. Step 3: Cross multiply
    257,516.10x = 385,496.55 × 226,412.10
  4. Step 4: Simplify right side
    257,516.10x = 87,281,083,428.26
  5. Step 5: Solve for x
    x = 87,281,083,428.26/257,516.10
  6. Step 6: Final answer
    x = 338,934.47

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1.5x scale

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.