Home / 320,582.25-442,390.14-177,333.21

Finding the Fourth Proportional to 320,582.25, 442,390.14 and 177,333.21

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Solution

The fourth proportional to 320,582.25, 442,390.14 and 177,333.21 is: 244,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,582.25 : 442,390.14 = 177,333.21 : x
  2. Step 2: Convert to fraction form
    320,582.25/442,390.14 = 177,333.21/x
  3. Step 3: Cross multiply
    320,582.25x = 442,390.14 × 177,333.21
  4. Step 4: Simplify right side
    320,582.25x = 78,450,463,598.55
  5. Step 5: Solve for x
    x = 78,450,463,598.55/320,582.25
  6. Step 6: Final answer
    x = 244,712.44

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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.