Home / 320,585.04-442,420.38-177,342.62

Finding the Fourth Proportional to 320,585.04, 442,420.38 and 177,342.62

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Solution

The fourth proportional to 320,585.04, 442,420.38 and 177,342.62 is: 244,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,585.04 : 442,420.38 = 177,342.62 : x
  2. Step 2: Convert to fraction form
    320,585.04/442,420.38 = 177,342.62/x
  3. Step 3: Cross multiply
    320,585.04x = 442,420.38 × 177,342.62
  4. Step 4: Simplify right side
    320,585.04x = 78,459,987,118.49
  5. Step 5: Solve for x
    x = 78,459,987,118.49/320,585.04
  6. Step 6: Final answer
    x = 244,740.01

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1.5x scale

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.