Home / 320,349.03-442,090.89-177,118.32

Finding the Fourth Proportional to 320,349.03, 442,090.89 and 177,118.32

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Solution

The fourth proportional to 320,349.03, 442,090.89 and 177,118.32 is: 244,428.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,349.03 : 442,090.89 = 177,118.32 : x
  2. Step 2: Convert to fraction form
    320,349.03/442,090.89 = 177,118.32/x
  3. Step 3: Cross multiply
    320,349.03x = 442,090.89 × 177,118.32
  4. Step 4: Simplify right side
    320,349.03x = 78,302,395,724.10
  5. Step 5: Solve for x
    x = 78,302,395,724.10/320,349.03
  6. Step 6: Final answer
    x = 244,428.38

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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.