Home / 227,931.84-341,912.30-87,690.47

Finding the Fourth Proportional to 227,931.84, 341,912.30 and 87,690.47

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Solution

The fourth proportional to 227,931.84, 341,912.30 and 87,690.47 is: 131,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,931.84 : 341,912.30 = 87,690.47 : x
  2. Step 2: Convert to fraction form
    227,931.84/341,912.30 = 87,690.47/x
  3. Step 3: Cross multiply
    227,931.84x = 341,912.30 × 87,690.47
  4. Step 4: Simplify right side
    227,931.84x = 29,982,448,137.77
  5. Step 5: Solve for x
    x = 29,982,448,137.77/227,931.84
  6. Step 6: Final answer
    x = 131,541.29

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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.