Home / 284,760.36-392,964.48-203,238.72

Finding the Fourth Proportional to 284,760.36, 392,964.48 and 203,238.72

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Solution

The fourth proportional to 284,760.36, 392,964.48 and 203,238.72 is: 280,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,760.36 : 392,964.48 = 203,238.72 : x
  2. Step 2: Convert to fraction form
    284,760.36/392,964.48 = 203,238.72/x
  3. Step 3: Cross multiply
    284,760.36x = 392,964.48 × 203,238.72
  4. Step 4: Simplify right side
    284,760.36x = 79,865,597,920.67
  5. Step 5: Solve for x
    x = 79,865,597,920.67/284,760.36
  6. Step 6: Final answer
    x = 280,466.00

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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.