Home / 311,929.40-467,894.03-122,479.04

Finding the Fourth Proportional to 311,929.40, 467,894.03 and 122,479.04

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Solution

The fourth proportional to 311,929.40, 467,894.03 and 122,479.04 is: 183,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,929.40 : 467,894.03 = 122,479.04 : x
  2. Step 2: Convert to fraction form
    311,929.40/467,894.03 = 122,479.04/x
  3. Step 3: Cross multiply
    311,929.40x = 467,894.03 × 122,479.04
  4. Step 4: Simplify right side
    311,929.40x = 57,307,208,664.27
  5. Step 5: Solve for x
    x = 57,307,208,664.27/311,929.40
  6. Step 6: Final answer
    x = 183,718.53

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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.