Home / 320,967.08-442,948.60-177,727.24

Finding the Fourth Proportional to 320,967.08, 442,948.60 and 177,727.24

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Solution

The fourth proportional to 320,967.08, 442,948.60 and 177,727.24 is: 245,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,967.08 : 442,948.60 = 177,727.24 : x
  2. Step 2: Convert to fraction form
    320,967.08/442,948.60 = 177,727.24/x
  3. Step 3: Cross multiply
    320,967.08x = 442,948.60 × 177,727.24
  4. Step 4: Simplify right side
    320,967.08x = 78,724,031,669.92
  5. Step 5: Solve for x
    x = 78,724,031,669.92/320,967.08
  6. Step 6: Final answer
    x = 245,271.36

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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.