Home / 398,273.38-549,601.41-216,986.74

Finding the Fourth Proportional to 398,273.38, 549,601.41 and 216,986.74

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Solution

The fourth proportional to 398,273.38, 549,601.41 and 216,986.74 is: 299,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,273.38 : 549,601.41 = 216,986.74 : x
  2. Step 2: Convert to fraction form
    398,273.38/549,601.41 = 216,986.74/x
  3. Step 3: Cross multiply
    398,273.38x = 549,601.41 × 216,986.74
  4. Step 4: Simplify right side
    398,273.38x = 119,256,218,255.30
  5. Step 5: Solve for x
    x = 119,256,218,255.30/398,273.38
  6. Step 6: Final answer
    x = 299,433.06

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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.