Home / 231,675.42-319,547.22-212,616.75

Finding the Fourth Proportional to 231,675.42, 319,547.22 and 212,616.75

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Solution

The fourth proportional to 231,675.42, 319,547.22 and 212,616.75 is: 293,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,675.42 : 319,547.22 = 212,616.75 : x
  2. Step 2: Convert to fraction form
    231,675.42/319,547.22 = 212,616.75/x
  3. Step 3: Cross multiply
    231,675.42x = 319,547.22 × 212,616.75
  4. Step 4: Simplify right side
    231,675.42x = 67,941,091,387.94
  5. Step 5: Solve for x
    x = 67,941,091,387.94/231,675.42
  6. Step 6: Final answer
    x = 293,259.82

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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.