Home / 284,289.54-426,064.47-115,613.25

Finding the Fourth Proportional to 284,289.54, 426,064.47 and 115,613.25

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Solution

The fourth proportional to 284,289.54, 426,064.47 and 115,613.25 is: 173,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,289.54 : 426,064.47 = 115,613.25 : x
  2. Step 2: Convert to fraction form
    284,289.54/426,064.47 = 115,613.25/x
  3. Step 3: Cross multiply
    284,289.54x = 426,064.47 × 115,613.25
  4. Step 4: Simplify right side
    284,289.54x = 49,258,698,086.23
  5. Step 5: Solve for x
    x = 49,258,698,086.23/284,289.54
  6. Step 6: Final answer
    x = 173,269.47

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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.