Home / 284,828.46-426,869.01-209,596.38

Finding the Fourth Proportional to 284,828.46, 426,869.01 and 209,596.38

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Solution

The fourth proportional to 284,828.46, 426,869.01 and 209,596.38 is: 314,119.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,828.46 : 426,869.01 = 209,596.38 : x
  2. Step 2: Convert to fraction form
    284,828.46/426,869.01 = 209,596.38/x
  3. Step 3: Cross multiply
    284,828.46x = 426,869.01 × 209,596.38
  4. Step 4: Simplify right side
    284,828.46x = 89,470,199,230.18
  5. Step 5: Solve for x
    x = 89,470,199,230.18/284,828.46
  6. Step 6: Final answer
    x = 314,119.59

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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.