Home / 284,479.85-426,929.74-134,719.85

Finding the Fourth Proportional to 284,479.85, 426,929.74 and 134,719.85

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Solution

The fourth proportional to 284,479.85, 426,929.74 and 134,719.85 is: 202,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,479.85 : 426,929.74 = 134,719.85 : x
  2. Step 2: Convert to fraction form
    284,479.85/426,929.74 = 134,719.85/x
  3. Step 3: Cross multiply
    284,479.85x = 426,929.74 × 134,719.85
  4. Step 4: Simplify right side
    284,479.85x = 57,515,908,061.89
  5. Step 5: Solve for x
    x = 57,515,908,061.89/284,479.85
  6. Step 6: Final answer
    x = 202,179.20

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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.