Home / 284,261.16-426,614.60-198,313.12

Finding the Fourth Proportional to 284,261.16, 426,614.60 and 198,313.12

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Solution

The fourth proportional to 284,261.16, 426,614.60 and 198,313.12 is: 297,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,261.16 : 426,614.60 = 198,313.12 : x
  2. Step 2: Convert to fraction form
    284,261.16/426,614.60 = 198,313.12/x
  3. Step 3: Cross multiply
    284,261.16x = 426,614.60 × 198,313.12
  4. Step 4: Simplify right side
    284,261.16x = 84,603,272,363.55
  5. Step 5: Solve for x
    x = 84,603,272,363.55/284,261.16
  6. Step 6: Final answer
    x = 297,625.16

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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.