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Finding the Fourth Proportional to 293,990.90, 441,043.95 and 125,510.90

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Solution

The fourth proportional to 293,990.90, 441,043.95 and 125,510.90 is: 188,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,990.90 : 441,043.95 = 125,510.90 : x
  2. Step 2: Convert to fraction form
    293,990.90/441,043.95 = 125,510.90/x
  3. Step 3: Cross multiply
    293,990.90x = 441,043.95 × 125,510.90
  4. Step 4: Simplify right side
    293,990.90x = 55,355,823,104.06
  5. Step 5: Solve for x
    x = 55,355,823,104.06/293,990.90
  6. Step 6: Final answer
    x = 188,290.94

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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.