Home / 284,256.92-426,608.10-198,308.84

Finding the Fourth Proportional to 284,256.92, 426,608.10 and 198,308.84

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Solution

The fourth proportional to 284,256.92, 426,608.10 and 198,308.84 is: 297,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,256.92 : 426,608.10 = 198,308.84 : x
  2. Step 2: Convert to fraction form
    284,256.92/426,608.10 = 198,308.84/x
  3. Step 3: Cross multiply
    284,256.92x = 426,608.10 × 198,308.84
  4. Step 4: Simplify right side
    284,256.92x = 84,600,157,445.60
  5. Step 5: Solve for x
    x = 84,600,157,445.60/284,256.92
  6. Step 6: Final answer
    x = 297,618.64

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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.