Home / 447,239.03-670,716.28-147,663.83

Finding the Fourth Proportional to 447,239.03, 670,716.28 and 147,663.83

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Solution

The fourth proportional to 447,239.03, 670,716.28 and 147,663.83 is: 221,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,239.03 : 670,716.28 = 147,663.83 : x
  2. Step 2: Convert to fraction form
    447,239.03/670,716.28 = 147,663.83/x
  3. Step 3: Cross multiply
    447,239.03x = 670,716.28 × 147,663.83
  4. Step 4: Simplify right side
    447,239.03x = 99,040,534,748.15
  5. Step 5: Solve for x
    x = 99,040,534,748.15/447,239.03
  6. Step 6: Final answer
    x = 221,448.77

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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.