Home / 251,435.28-377,389.86-91,665.69

Finding the Fourth Proportional to 251,435.28, 377,389.86 and 91,665.69

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Solution

The fourth proportional to 251,435.28, 377,389.86 and 91,665.69 is: 137,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,435.28 : 377,389.86 = 91,665.69 : x
  2. Step 2: Convert to fraction form
    251,435.28/377,389.86 = 91,665.69/x
  3. Step 3: Cross multiply
    251,435.28x = 377,389.86 × 91,665.69
  4. Step 4: Simplify right side
    251,435.28x = 34,593,701,915.90
  5. Step 5: Solve for x
    x = 34,593,701,915.90/251,435.28
  6. Step 6: Final answer
    x = 137,584.92

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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.