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Finding the Fourth Proportional to 329,087.58, 493,424.01 and 279,185.10

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Solution

The fourth proportional to 329,087.58, 493,424.01 and 279,185.10 is: 418,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,087.58 : 493,424.01 = 279,185.10 : x
  2. Step 2: Convert to fraction form
    329,087.58/493,424.01 = 279,185.10/x
  3. Step 3: Cross multiply
    329,087.58x = 493,424.01 × 279,185.10
  4. Step 4: Simplify right side
    329,087.58x = 137,756,631,574.25
  5. Step 5: Solve for x
    x = 137,756,631,574.25/329,087.58
  6. Step 6: Final answer
    x = 418,601.73

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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.