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Finding the Fourth Proportional to 346,796.52, 520,192.32 and 178,363.80

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Solution

The fourth proportional to 346,796.52, 520,192.32 and 178,363.80 is: 267,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,796.52 : 520,192.32 = 178,363.80 : x
  2. Step 2: Convert to fraction form
    346,796.52/520,192.32 = 178,363.80/x
  3. Step 3: Cross multiply
    346,796.52x = 520,192.32 × 178,363.80
  4. Step 4: Simplify right side
    346,796.52x = 92,783,478,926.02
  5. Step 5: Solve for x
    x = 92,783,478,926.02/346,796.52
  6. Step 6: Final answer
    x = 267,544.43

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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.