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Finding the Fourth Proportional to 444,056.49, 666,303.44 and 207,364.77

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Solution

The fourth proportional to 444,056.49, 666,303.44 and 207,364.77 is: 311,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,056.49 : 666,303.44 = 207,364.77 : x
  2. Step 2: Convert to fraction form
    444,056.49/666,303.44 = 207,364.77/x
  3. Step 3: Cross multiply
    444,056.49x = 666,303.44 × 207,364.77
  4. Step 4: Simplify right side
    444,056.49x = 138,167,858,548.99
  5. Step 5: Solve for x
    x = 138,167,858,548.99/444,056.49
  6. Step 6: Final answer
    x = 311,149.28

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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.