Home / 291,949.84-402,999.96-227,290.96

Finding the Fourth Proportional to 291,949.84, 402,999.96 and 227,290.96

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Solution

The fourth proportional to 291,949.84, 402,999.96 and 227,290.96 is: 313,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,949.84 : 402,999.96 = 227,290.96 : x
  2. Step 2: Convert to fraction form
    291,949.84/402,999.96 = 227,290.96/x
  3. Step 3: Cross multiply
    291,949.84x = 402,999.96 × 227,290.96
  4. Step 4: Simplify right side
    291,949.84x = 91,598,247,788.36
  5. Step 5: Solve for x
    x = 91,598,247,788.36/291,949.84
  6. Step 6: Final answer
    x = 313,746.53

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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.