Home / 254,572.20-382,266.30-202,415.40

Finding the Fourth Proportional to 254,572.20, 382,266.30 and 202,415.40

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Solution

The fourth proportional to 254,572.20, 382,266.30 and 202,415.40 is: 303,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,572.20 : 382,266.30 = 202,415.40 : x
  2. Step 2: Convert to fraction form
    254,572.20/382,266.30 = 202,415.40/x
  3. Step 3: Cross multiply
    254,572.20x = 382,266.30 × 202,415.40
  4. Step 4: Simplify right side
    254,572.20x = 77,376,586,021.02
  5. Step 5: Solve for x
    x = 77,376,586,021.02/254,572.20
  6. Step 6: Final answer
    x = 303,947.51

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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.