Home / 284,811.98-426,844.24-209,579.86

Finding the Fourth Proportional to 284,811.98, 426,844.24 and 209,579.86

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Solution

The fourth proportional to 284,811.98, 426,844.24 and 209,579.86 is: 314,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,811.98 : 426,844.24 = 209,579.86 : x
  2. Step 2: Convert to fraction form
    284,811.98/426,844.24 = 209,579.86/x
  3. Step 3: Cross multiply
    284,811.98x = 426,844.24 × 209,579.86
  4. Step 4: Simplify right side
    284,811.98x = 89,457,956,061.01
  5. Step 5: Solve for x
    x = 89,457,956,061.01/284,811.98
  6. Step 6: Final answer
    x = 314,094.78

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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.