Home / 304,040.52-456,126.12-90,825.36

Finding the Fourth Proportional to 304,040.52, 456,126.12 and 90,825.36

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Solution

The fourth proportional to 304,040.52, 456,126.12 and 90,825.36 is: 136,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,040.52 : 456,126.12 = 90,825.36 : x
  2. Step 2: Convert to fraction form
    304,040.52/456,126.12 = 90,825.36/x
  3. Step 3: Cross multiply
    304,040.52x = 456,126.12 × 90,825.36
  4. Step 4: Simplify right side
    304,040.52x = 41,427,819,054.40
  5. Step 5: Solve for x
    x = 41,427,819,054.40/304,040.52
  6. Step 6: Final answer
    x = 136,257.56

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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.