Home / 447,849.72-617,991.95-266,532.39

Finding the Fourth Proportional to 447,849.72, 617,991.95 and 266,532.39

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Solution

The fourth proportional to 447,849.72, 617,991.95 and 266,532.39 is: 367,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,849.72 : 617,991.95 = 266,532.39 : x
  2. Step 2: Convert to fraction form
    447,849.72/617,991.95 = 266,532.39/x
  3. Step 3: Cross multiply
    447,849.72x = 617,991.95 × 266,532.39
  4. Step 4: Simplify right side
    447,849.72x = 164,714,870,101.60
  5. Step 5: Solve for x
    x = 164,714,870,101.60/447,849.72
  6. Step 6: Final answer
    x = 367,790.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.