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Finding the Fourth Proportional to 268,337.54, 369,915.58 and 187,514.22

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Solution

The fourth proportional to 268,337.54, 369,915.58 and 187,514.22 is: 258,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,337.54 : 369,915.58 = 187,514.22 : x
  2. Step 2: Convert to fraction form
    268,337.54/369,915.58 = 187,514.22/x
  3. Step 3: Cross multiply
    268,337.54x = 369,915.58 × 187,514.22
  4. Step 4: Simplify right side
    268,337.54x = 69,364,431,449.55
  5. Step 5: Solve for x
    x = 69,364,431,449.55/268,337.54
  6. Step 6: Final answer
    x = 258,496.93

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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.