Home / 398,047.42-549,292.75-236,865.52

Finding the Fourth Proportional to 398,047.42, 549,292.75 and 236,865.52

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Solution

The fourth proportional to 398,047.42, 549,292.75 and 236,865.52 is: 326,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,047.42 : 549,292.75 = 236,865.52 : x
  2. Step 2: Convert to fraction form
    398,047.42/549,292.75 = 236,865.52/x
  3. Step 3: Cross multiply
    398,047.42x = 549,292.75 × 236,865.52
  4. Step 4: Simplify right side
    398,047.42x = 130,108,512,860.98
  5. Step 5: Solve for x
    x = 130,108,512,860.98/398,047.42
  6. Step 6: Final answer
    x = 326,866.87

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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.