Home / 442,835.99-664,357.67-143,304.47

Finding the Fourth Proportional to 442,835.99, 664,357.67 and 143,304.47

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Solution

The fourth proportional to 442,835.99, 664,357.67 and 143,304.47 is: 214,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,835.99 : 664,357.67 = 143,304.47 : x
  2. Step 2: Convert to fraction form
    442,835.99/664,357.67 = 143,304.47/x
  3. Step 3: Cross multiply
    442,835.99x = 664,357.67 × 143,304.47
  4. Step 4: Simplify right side
    442,835.99x = 95,205,423,073.26
  5. Step 5: Solve for x
    x = 95,205,423,073.26/442,835.99
  6. Step 6: Final answer
    x = 214,990.26

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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.