Home / 254,664.20-382,404.30-202,507.40

Finding the Fourth Proportional to 254,664.20, 382,404.30 and 202,507.40

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Solution

The fourth proportional to 254,664.20, 382,404.30 and 202,507.40 is: 304,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,664.20 : 382,404.30 = 202,507.40 : x
  2. Step 2: Convert to fraction form
    254,664.20/382,404.30 = 202,507.40/x
  3. Step 3: Cross multiply
    254,664.20x = 382,404.30 × 202,507.40
  4. Step 4: Simplify right side
    254,664.20x = 77,439,700,541.82
  5. Step 5: Solve for x
    x = 77,439,700,541.82/254,664.20
  6. Step 6: Final answer
    x = 304,085.54

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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.