Home / 381,837.82-526,817.58-220,634.02

Finding the Fourth Proportional to 381,837.82, 526,817.58 and 220,634.02

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Solution

The fourth proportional to 381,837.82, 526,817.58 and 220,634.02 is: 304,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,837.82 : 526,817.58 = 220,634.02 : x
  2. Step 2: Convert to fraction form
    381,837.82/526,817.58 = 220,634.02/x
  3. Step 3: Cross multiply
    381,837.82x = 526,817.58 × 220,634.02
  4. Step 4: Simplify right side
    381,837.82x = 116,233,880,482.07
  5. Step 5: Solve for x
    x = 116,233,880,482.07/381,837.82
  6. Step 6: Final answer
    x = 304,406.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.