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Finding the Fourth Proportional to 363,228.60, 544,842.90 and 284,410.20

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Solution

The fourth proportional to 363,228.60, 544,842.90 and 284,410.20 is: 426,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,228.60 : 544,842.90 = 284,410.20 : x
  2. Step 2: Convert to fraction form
    363,228.60/544,842.90 = 284,410.20/x
  3. Step 3: Cross multiply
    363,228.60x = 544,842.90 × 284,410.20
  4. Step 4: Simplify right side
    363,228.60x = 154,958,878,157.58
  5. Step 5: Solve for x
    x = 154,958,878,157.58/363,228.60
  6. Step 6: Final answer
    x = 426,615.30

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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.