Home / 341,721.20-512,581.80-223,756.40

Finding the Fourth Proportional to 341,721.20, 512,581.80 and 223,756.40

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Solution

The fourth proportional to 341,721.20, 512,581.80 and 223,756.40 is: 335,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,721.20 : 512,581.80 = 223,756.40 : x
  2. Step 2: Convert to fraction form
    341,721.20/512,581.80 = 223,756.40/x
  3. Step 3: Cross multiply
    341,721.20x = 512,581.80 × 223,756.40
  4. Step 4: Simplify right side
    341,721.20x = 114,693,458,273.52
  5. Step 5: Solve for x
    x = 114,693,458,273.52/341,721.20
  6. Step 6: Final answer
    x = 335,634.60

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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.