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Finding the Fourth Proportional to 293,478.95, 440,218.43 and 83,116.89

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Solution

The fourth proportional to 293,478.95, 440,218.43 and 83,116.89 is: 124,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,478.95 : 440,218.43 = 83,116.89 : x
  2. Step 2: Convert to fraction form
    293,478.95/440,218.43 = 83,116.89/x
  3. Step 3: Cross multiply
    293,478.95x = 440,218.43 × 83,116.89
  4. Step 4: Simplify right side
    293,478.95x = 36,589,586,406.70
  5. Step 5: Solve for x
    x = 36,589,586,406.70/293,478.95
  6. Step 6: Final answer
    x = 124,675.34

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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.