Home / 398,062.68-549,283.02-236,895.36

Finding the Fourth Proportional to 398,062.68, 549,283.02 and 236,895.36

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Solution

The fourth proportional to 398,062.68, 549,283.02 and 236,895.36 is: 326,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,062.68 : 549,283.02 = 236,895.36 : x
  2. Step 2: Convert to fraction form
    398,062.68/549,283.02 = 236,895.36/x
  3. Step 3: Cross multiply
    398,062.68x = 549,283.02 × 236,895.36
  4. Step 4: Simplify right side
    398,062.68x = 130,122,598,764.79
  5. Step 5: Solve for x
    x = 130,122,598,764.79/398,062.68
  6. Step 6: Final answer
    x = 326,889.72

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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.