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Finding the Fourth Proportional to 293,690.88, 439,968.24 and 175,456.80

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Solution

The fourth proportional to 293,690.88, 439,968.24 and 175,456.80 is: 262,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,690.88 : 439,968.24 = 175,456.80 : x
  2. Step 2: Convert to fraction form
    293,690.88/439,968.24 = 175,456.80/x
  3. Step 3: Cross multiply
    293,690.88x = 439,968.24 × 175,456.80
  4. Step 4: Simplify right side
    293,690.88x = 77,195,419,492.03
  5. Step 5: Solve for x
    x = 77,195,419,492.03/293,690.88
  6. Step 6: Final answer
    x = 262,845.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.