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Finding the Fourth Proportional to 331,259.04, 456,678.12 and 223,658.64

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Solution

The fourth proportional to 331,259.04, 456,678.12 and 223,658.64 is: 308,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,259.04 : 456,678.12 = 223,658.64 : x
  2. Step 2: Convert to fraction form
    331,259.04/456,678.12 = 223,658.64/x
  3. Step 3: Cross multiply
    331,259.04x = 456,678.12 × 223,658.64
  4. Step 4: Simplify right side
    331,259.04x = 102,140,007,236.96
  5. Step 5: Solve for x
    x = 102,140,007,236.96/331,259.04
  6. Step 6: Final answer
    x = 308,338.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.