Home / 291,360.66-402,190.56-227,718.96

Finding the Fourth Proportional to 291,360.66, 402,190.56 and 227,718.96

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Solution

The fourth proportional to 291,360.66, 402,190.56 and 227,718.96 is: 314,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,360.66 : 402,190.56 = 227,718.96 : x
  2. Step 2: Convert to fraction form
    291,360.66/402,190.56 = 227,718.96/x
  3. Step 3: Cross multiply
    291,360.66x = 402,190.56 × 227,718.96
  4. Step 4: Simplify right side
    291,360.66x = 91,586,416,045.02
  5. Step 5: Solve for x
    x = 91,586,416,045.02/291,360.66
  6. Step 6: Final answer
    x = 314,340.36

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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.