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Finding the Fourth Proportional to 355,659.40, 533,489.10 and 335,384.20

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Solution

The fourth proportional to 355,659.40, 533,489.10 and 335,384.20 is: 503,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,659.40 : 533,489.10 = 335,384.20 : x
  2. Step 2: Convert to fraction form
    355,659.40/533,489.10 = 335,384.20/x
  3. Step 3: Cross multiply
    355,659.40x = 533,489.10 × 335,384.20
  4. Step 4: Simplify right side
    355,659.40x = 178,923,815,012.22
  5. Step 5: Solve for x
    x = 178,923,815,012.22/355,659.40
  6. Step 6: Final answer
    x = 503,076.30

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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.