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Finding the Fourth Proportional to 284,416.06, 426,624.09 and 84,731.29

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Solution

The fourth proportional to 284,416.06, 426,624.09 and 84,731.29 is: 127,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,416.06 : 426,624.09 = 84,731.29 : x
  2. Step 2: Convert to fraction form
    284,416.06/426,624.09 = 84,731.29/x
  3. Step 3: Cross multiply
    284,416.06x = 426,624.09 × 84,731.29
  4. Step 4: Simplify right side
    284,416.06x = 36,148,409,490.78
  5. Step 5: Solve for x
    x = 36,148,409,490.78/284,416.06
  6. Step 6: Final answer
    x = 127,096.94

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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.