Home / 398,046.42-549,291.38-236,864.52

Finding the Fourth Proportional to 398,046.42, 549,291.38 and 236,864.52

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Solution

The fourth proportional to 398,046.42, 549,291.38 and 236,864.52 is: 326,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,046.42 : 549,291.38 = 236,864.52 : x
  2. Step 2: Convert to fraction form
    398,046.42/549,291.38 = 236,864.52/x
  3. Step 3: Cross multiply
    398,046.42x = 549,291.38 × 236,864.52
  4. Step 4: Simplify right side
    398,046.42x = 130,107,637,879.52
  5. Step 5: Solve for x
    x = 130,107,637,879.52/398,046.42
  6. Step 6: Final answer
    x = 326,865.49

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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.