Home / 284,606.46-426,965.72-84,922.43

Finding the Fourth Proportional to 284,606.46, 426,965.72 and 84,922.43

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Solution

The fourth proportional to 284,606.46, 426,965.72 and 84,922.43 is: 127,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,606.46 : 426,965.72 = 84,922.43 : x
  2. Step 2: Convert to fraction form
    284,606.46/426,965.72 = 84,922.43/x
  3. Step 3: Cross multiply
    284,606.46x = 426,965.72 × 84,922.43
  4. Step 4: Simplify right side
    284,606.46x = 36,258,963,909.66
  5. Step 5: Solve for x
    x = 36,258,963,909.66/284,606.46
  6. Step 6: Final answer
    x = 127,400.35

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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.