Home / 311,036.20-466,554.30-211,503.40

Finding the Fourth Proportional to 311,036.20, 466,554.30 and 211,503.40

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Solution

The fourth proportional to 311,036.20, 466,554.30 and 211,503.40 is: 317,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,036.20 : 466,554.30 = 211,503.40 : x
  2. Step 2: Convert to fraction form
    311,036.20/466,554.30 = 211,503.40/x
  3. Step 3: Cross multiply
    311,036.20x = 466,554.30 × 211,503.40
  4. Step 4: Simplify right side
    311,036.20x = 98,677,820,734.62
  5. Step 5: Solve for x
    x = 98,677,820,734.62/311,036.20
  6. Step 6: Final answer
    x = 317,255.10

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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.