Home / 284,455.66-392,642.36-226,418.85

Finding the Fourth Proportional to 284,455.66, 392,642.36 and 226,418.85

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Solution

The fourth proportional to 284,455.66, 392,642.36 and 226,418.85 is: 312,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,455.66 : 392,642.36 = 226,418.85 : x
  2. Step 2: Convert to fraction form
    284,455.66/392,642.36 = 226,418.85/x
  3. Step 3: Cross multiply
    284,455.66x = 392,642.36 × 226,418.85
  4. Step 4: Simplify right side
    284,455.66x = 88,901,630,480.39
  5. Step 5: Solve for x
    x = 88,901,630,480.39/284,455.66
  6. Step 6: Final answer
    x = 312,532.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.