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Finding the Fourth Proportional to 444,223.62, 666,404.55 and 144,633.78

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Solution

The fourth proportional to 444,223.62, 666,404.55 and 144,633.78 is: 216,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,223.62 : 666,404.55 = 144,633.78 : x
  2. Step 2: Convert to fraction form
    444,223.62/666,404.55 = 144,633.78/x
  3. Step 3: Cross multiply
    444,223.62x = 666,404.55 × 144,633.78
  4. Step 4: Simplify right side
    444,223.62x = 96,384,609,075.70
  5. Step 5: Solve for x
    x = 96,384,609,075.70/444,223.62
  6. Step 6: Final answer
    x = 216,973.17

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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.