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Finding the Fourth Proportional to 284,305.70, 426,100.40 and 248,682.20

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Solution

The fourth proportional to 284,305.70, 426,100.40 and 248,682.20 is: 372,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,305.70 : 426,100.40 = 248,682.20 : x
  2. Step 2: Convert to fraction form
    284,305.70/426,100.40 = 248,682.20/x
  3. Step 3: Cross multiply
    284,305.70x = 426,100.40 × 248,682.20
  4. Step 4: Simplify right side
    284,305.70x = 105,963,584,892.88
  5. Step 5: Solve for x
    x = 105,963,584,892.88/284,305.70
  6. Step 6: Final answer
    x = 372,710.03

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1.5x scale

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.