Home / 398,032.41-549,268.24-216,743.77

Finding the Fourth Proportional to 398,032.41, 549,268.24 and 216,743.77

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Solution

The fourth proportional to 398,032.41, 549,268.24 and 216,743.77 is: 299,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,032.41 : 549,268.24 = 216,743.77 : x
  2. Step 2: Convert to fraction form
    398,032.41/549,268.24 = 216,743.77/x
  3. Step 3: Cross multiply
    398,032.41x = 549,268.24 × 216,743.77
  4. Step 4: Simplify right side
    398,032.41x = 119,050,471,174.80
  5. Step 5: Solve for x
    x = 119,050,471,174.80/398,032.41
  6. Step 6: Final answer
    x = 299,097.43

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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.