Home / 284,297.28-426,289.04-115,774.40

Finding the Fourth Proportional to 284,297.28, 426,289.04 and 115,774.40

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Solution

The fourth proportional to 284,297.28, 426,289.04 and 115,774.40 is: 173,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,297.28 : 426,289.04 = 115,774.40 : x
  2. Step 2: Convert to fraction form
    284,297.28/426,289.04 = 115,774.40/x
  3. Step 3: Cross multiply
    284,297.28x = 426,289.04 × 115,774.40
  4. Step 4: Simplify right side
    284,297.28x = 49,353,357,832.58
  5. Step 5: Solve for x
    x = 49,353,357,832.58/284,297.28
  6. Step 6: Final answer
    x = 173,597.71

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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.