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Finding the Fourth Proportional to 445,415.84, 667,336.44 and 295,300.16

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Solution

The fourth proportional to 445,415.84, 667,336.44 and 295,300.16 is: 442,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,415.84 : 667,336.44 = 295,300.16 : x
  2. Step 2: Convert to fraction form
    445,415.84/667,336.44 = 295,300.16/x
  3. Step 3: Cross multiply
    445,415.84x = 667,336.44 × 295,300.16
  4. Step 4: Simplify right side
    445,415.84x = 197,064,557,505.83
  5. Step 5: Solve for x
    x = 197,064,557,505.83/445,415.84
  6. Step 6: Final answer
    x = 442,428.27

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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.