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Finding the Fourth Proportional to 444,102.12, 666,189.63 and 144,502.56

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Solution

The fourth proportional to 444,102.12, 666,189.63 and 144,502.56 is: 216,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,102.12 : 666,189.63 = 144,502.56 : x
  2. Step 2: Convert to fraction form
    444,102.12/666,189.63 = 144,502.56/x
  3. Step 3: Cross multiply
    444,102.12x = 666,189.63 × 144,502.56
  4. Step 4: Simplify right side
    444,102.12x = 96,266,106,980.45
  5. Step 5: Solve for x
    x = 96,266,106,980.45/444,102.12
  6. Step 6: Final answer
    x = 216,765.70

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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.