Home / 328,239.46-492,442.14-91,582

Finding the Fourth Proportional to 328,239.46, 492,442.14 and 91,582

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Solution

The fourth proportional to 328,239.46, 492,442.14 and 91,582 is: 137,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,239.46 : 492,442.14 = 91,582 : x
  2. Step 2: Convert to fraction form
    328,239.46/492,442.14 = 91,582/x
  3. Step 3: Cross multiply
    328,239.46x = 492,442.14 × 91,582
  4. Step 4: Simplify right side
    328,239.46x = 45,098,836,065.48
  5. Step 5: Solve for x
    x = 45,098,836,065.48/328,239.46
  6. Step 6: Final answer
    x = 137,396.14

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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.