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Finding the Fourth Proportional to 444,232.81, 666,348.68 and 144,712.90

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Solution

The fourth proportional to 444,232.81, 666,348.68 and 144,712.90 is: 217,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,232.81 : 666,348.68 = 144,712.90 : x
  2. Step 2: Convert to fraction form
    444,232.81/666,348.68 = 144,712.90/x
  3. Step 3: Cross multiply
    444,232.81x = 666,348.68 × 144,712.90
  4. Step 4: Simplify right side
    444,232.81x = 96,429,246,924.01
  5. Step 5: Solve for x
    x = 96,429,246,924.01/444,232.81
  6. Step 6: Final answer
    x = 217,069.17

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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.