Home / 253,515.95-379,727.23-238,610.69

Finding the Fourth Proportional to 253,515.95, 379,727.23 and 238,610.69

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Solution

The fourth proportional to 253,515.95, 379,727.23 and 238,610.69 is: 357,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,515.95 : 379,727.23 = 238,610.69 : x
  2. Step 2: Convert to fraction form
    253,515.95/379,727.23 = 238,610.69/x
  3. Step 3: Cross multiply
    253,515.95x = 379,727.23 × 238,610.69
  4. Step 4: Simplify right side
    253,515.95x = 90,606,973,270.40
  5. Step 5: Solve for x
    x = 90,606,973,270.40/253,515.95
  6. Step 6: Final answer
    x = 357,401.48

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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.