Home / 254,947.50-382,429.35-77,456.05

Finding the Fourth Proportional to 254,947.50, 382,429.35 and 77,456.05

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Solution

The fourth proportional to 254,947.50, 382,429.35 and 77,456.05 is: 116,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,947.50 : 382,429.35 = 77,456.05 : x
  2. Step 2: Convert to fraction form
    254,947.50/382,429.35 = 77,456.05/x
  3. Step 3: Cross multiply
    254,947.50x = 382,429.35 × 77,456.05
  4. Step 4: Simplify right side
    254,947.50x = 29,621,465,898.99
  5. Step 5: Solve for x
    x = 29,621,465,898.99/254,947.50
  6. Step 6: Final answer
    x = 116,186.53

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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.