Home / 811,131.68-1,216,714.08-250,166.72

Finding the Fourth Proportional to 811,131.68, 1,216,714.08 and 250,166.72

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Solution

The fourth proportional to 811,131.68, 1,216,714.08 and 250,166.72 is: 375,255.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,131.68 : 1,216,714.08 = 250,166.72 : x
  2. Step 2: Convert to fraction form
    811,131.68/1,216,714.08 = 250,166.72/x
  3. Step 3: Cross multiply
    811,131.68x = 1,216,714.08 × 250,166.72
  4. Step 4: Simplify right side
    811,131.68x = 304,381,370,571.42
  5. Step 5: Solve for x
    x = 304,381,370,571.42/811,131.68
  6. Step 6: Final answer
    x = 375,255.19

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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.