Home / 284,271.28-426,329.08-106,764.56

Finding the Fourth Proportional to 284,271.28, 426,329.08 and 106,764.56

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Solution

The fourth proportional to 284,271.28, 426,329.08 and 106,764.56 is: 160,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,271.28 : 426,329.08 = 106,764.56 : x
  2. Step 2: Convert to fraction form
    284,271.28/426,329.08 = 106,764.56/x
  3. Step 3: Cross multiply
    284,271.28x = 426,329.08 × 106,764.56
  4. Step 4: Simplify right side
    284,271.28x = 45,516,836,641.40
  5. Step 5: Solve for x
    x = 45,516,836,641.40/284,271.28
  6. Step 6: Final answer
    x = 160,117.61

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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.