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Finding the Fourth Proportional to 444,159.72, 666,534.83 and 207,520.85

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Solution

The fourth proportional to 444,159.72, 666,534.83 and 207,520.85 is: 311,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,159.72 : 666,534.83 = 207,520.85 : x
  2. Step 2: Convert to fraction form
    444,159.72/666,534.83 = 207,520.85/x
  3. Step 3: Cross multiply
    444,159.72x = 666,534.83 × 207,520.85
  4. Step 4: Simplify right side
    444,159.72x = 138,319,875,104.94
  5. Step 5: Solve for x
    x = 138,319,875,104.94/444,159.72
  6. Step 6: Final answer
    x = 311,419.22

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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.