Home / 442,972.80-664,554.96-143,483.52

Finding the Fourth Proportional to 442,972.80, 664,554.96 and 143,483.52

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Solution

The fourth proportional to 442,972.80, 664,554.96 and 143,483.52 is: 215,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,972.80 : 664,554.96 = 143,483.52 : x
  2. Step 2: Convert to fraction form
    442,972.80/664,554.96 = 143,483.52/x
  3. Step 3: Cross multiply
    442,972.80x = 664,554.96 × 143,483.52
  4. Step 4: Simplify right side
    442,972.80x = 95,352,684,894.26
  5. Step 5: Solve for x
    x = 95,352,684,894.26/442,972.80
  6. Step 6: Final answer
    x = 215,256.30

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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.