Home / 398,310.51-549,417.33-237,045.18

Finding the Fourth Proportional to 398,310.51, 549,417.33 and 237,045.18

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Solution

The fourth proportional to 398,310.51, 549,417.33 and 237,045.18 is: 326,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,310.51 : 549,417.33 = 237,045.18 : x
  2. Step 2: Convert to fraction form
    398,310.51/549,417.33 = 237,045.18/x
  3. Step 3: Cross multiply
    398,310.51x = 549,417.33 × 237,045.18
  4. Step 4: Simplify right side
    398,310.51x = 130,236,729,884.97
  5. Step 5: Solve for x
    x = 130,236,729,884.97/398,310.51
  6. Step 6: Final answer
    x = 326,972.87

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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.