Home / 356,275.47-491,538.24-203,203.65

Finding the Fourth Proportional to 356,275.47, 491,538.24 and 203,203.65

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Solution

The fourth proportional to 356,275.47, 491,538.24 and 203,203.65 is: 280,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,275.47 : 491,538.24 = 203,203.65 : x
  2. Step 2: Convert to fraction form
    356,275.47/491,538.24 = 203,203.65/x
  3. Step 3: Cross multiply
    356,275.47x = 491,538.24 × 203,203.65
  4. Step 4: Simplify right side
    356,275.47x = 99,882,364,482.58
  5. Step 5: Solve for x
    x = 99,882,364,482.58/356,275.47
  6. Step 6: Final answer
    x = 280,351.51

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1.5x scale

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.