Home / 311,080.20-466,620.30-211,547.40

Finding the Fourth Proportional to 311,080.20, 466,620.30 and 211,547.40

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Solution

The fourth proportional to 311,080.20, 466,620.30 and 211,547.40 is: 317,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,080.20 : 466,620.30 = 211,547.40 : x
  2. Step 2: Convert to fraction form
    311,080.20/466,620.30 = 211,547.40/x
  3. Step 3: Cross multiply
    311,080.20x = 466,620.30 × 211,547.40
  4. Step 4: Simplify right side
    311,080.20x = 98,712,311,252.22
  5. Step 5: Solve for x
    x = 98,712,311,252.22/311,080.20
  6. Step 6: Final answer
    x = 317,321.10

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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.