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Finding the Fourth Proportional to 382,894.12, 574,426.83 and 116,675.47

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Solution

The fourth proportional to 382,894.12, 574,426.83 and 116,675.47 is: 175,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,894.12 : 574,426.83 = 116,675.47 : x
  2. Step 2: Convert to fraction form
    382,894.12/574,426.83 = 116,675.47/x
  3. Step 3: Cross multiply
    382,894.12x = 574,426.83 × 116,675.47
  4. Step 4: Simplify right side
    382,894.12x = 67,021,517,498.73
  5. Step 5: Solve for x
    x = 67,021,517,498.73/382,894.12
  6. Step 6: Final answer
    x = 175,039.30

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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.