Home / 284,828.10-426,868.38-209,595.98

Finding the Fourth Proportional to 284,828.10, 426,868.38 and 209,595.98

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Solution

The fourth proportional to 284,828.10, 426,868.38 and 209,595.98 is: 314,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,828.10 : 426,868.38 = 209,595.98 : x
  2. Step 2: Convert to fraction form
    284,828.10/426,868.38 = 209,595.98/x
  3. Step 3: Cross multiply
    284,828.10x = 426,868.38 × 209,595.98
  4. Step 4: Simplify right side
    284,828.10x = 89,469,896,437.11
  5. Step 5: Solve for x
    x = 89,469,896,437.11/284,828.10
  6. Step 6: Final answer
    x = 314,118.92

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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.