Home / 284,403.16-426,668.30-106,911.71

Finding the Fourth Proportional to 284,403.16, 426,668.30 and 106,911.71

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Solution

The fourth proportional to 284,403.16, 426,668.30 and 106,911.71 is: 160,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,403.16 : 426,668.30 = 106,911.71 : x
  2. Step 2: Convert to fraction form
    284,403.16/426,668.30 = 106,911.71/x
  3. Step 3: Cross multiply
    284,403.16x = 426,668.30 × 106,911.71
  4. Step 4: Simplify right side
    284,403.16x = 45,615,836,888.82
  5. Step 5: Solve for x
    x = 45,615,836,888.82/284,403.16
  6. Step 6: Final answer
    x = 160,391.46

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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.