Home / 270,154.94-404,870.18-210,255.76

Finding the Fourth Proportional to 270,154.94, 404,870.18 and 210,255.76

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Solution

The fourth proportional to 270,154.94, 404,870.18 and 210,255.76 is: 315,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,154.94 : 404,870.18 = 210,255.76 : x
  2. Step 2: Convert to fraction form
    270,154.94/404,870.18 = 210,255.76/x
  3. Step 3: Cross multiply
    270,154.94x = 404,870.18 × 210,255.76
  4. Step 4: Simplify right side
    270,154.94x = 85,126,287,397.24
  5. Step 5: Solve for x
    x = 85,126,287,397.24/270,154.94
  6. Step 6: Final answer
    x = 315,101.72

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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.