Home / 284,263.17-426,617.60-198,315.11

Finding the Fourth Proportional to 284,263.17, 426,617.60 and 198,315.11

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Solution

The fourth proportional to 284,263.17, 426,617.60 and 198,315.11 is: 297,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,263.17 : 426,617.60 = 198,315.11 : x
  2. Step 2: Convert to fraction form
    284,263.17/426,617.60 = 198,315.11/x
  3. Step 3: Cross multiply
    284,263.17x = 426,617.60 × 198,315.11
  4. Step 4: Simplify right side
    284,263.17x = 84,604,713,147.27
  5. Step 5: Solve for x
    x = 84,604,713,147.27/284,263.17
  6. Step 6: Final answer
    x = 297,628.12

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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.