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Finding the Fourth Proportional to 293,444.40, 440,166.60 and 279,666.30

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Solution

The fourth proportional to 293,444.40, 440,166.60 and 279,666.30 is: 419,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,444.40 : 440,166.60 = 279,666.30 : x
  2. Step 2: Convert to fraction form
    293,444.40/440,166.60 = 279,666.30/x
  3. Step 3: Cross multiply
    293,444.40x = 440,166.60 × 279,666.30
  4. Step 4: Simplify right side
    293,444.40x = 123,099,764,405.58
  5. Step 5: Solve for x
    x = 123,099,764,405.58/293,444.40
  6. Step 6: Final answer
    x = 419,499.45

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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.