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Finding the Fourth Proportional to 444,074.49, 666,210.15 and 207,288

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Solution

The fourth proportional to 444,074.49, 666,210.15 and 207,288 is: 310,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,074.49 : 666,210.15 = 207,288 : x
  2. Step 2: Convert to fraction form
    444,074.49/666,210.15 = 207,288/x
  3. Step 3: Cross multiply
    444,074.49x = 666,210.15 × 207,288
  4. Step 4: Simplify right side
    444,074.49x = 138,097,369,573.20
  5. Step 5: Solve for x
    x = 138,097,369,573.20/444,074.49
  6. Step 6: Final answer
    x = 310,977.94

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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.