Home / 371,217.22-512,279.74-201,451.35

Finding the Fourth Proportional to 371,217.22, 512,279.74 and 201,451.35

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Solution

The fourth proportional to 371,217.22, 512,279.74 and 201,451.35 is: 278,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,217.22 : 512,279.74 = 201,451.35 : x
  2. Step 2: Convert to fraction form
    371,217.22/512,279.74 = 201,451.35/x
  3. Step 3: Cross multiply
    371,217.22x = 512,279.74 × 201,451.35
  4. Step 4: Simplify right side
    371,217.22x = 103,199,445,200.65
  5. Step 5: Solve for x
    x = 103,199,445,200.65/371,217.22
  6. Step 6: Final answer
    x = 278,002.85

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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.