Home / 300,617.28-413,622.72-260,202.24

Finding the Fourth Proportional to 300,617.28, 413,622.72 and 260,202.24

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Solution

The fourth proportional to 300,617.28, 413,622.72 and 260,202.24 is: 358,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,617.28 : 413,622.72 = 260,202.24 : x
  2. Step 2: Convert to fraction form
    300,617.28/413,622.72 = 260,202.24/x
  3. Step 3: Cross multiply
    300,617.28x = 413,622.72 × 260,202.24
  4. Step 4: Simplify right side
    300,617.28x = 107,625,558,258.89
  5. Step 5: Solve for x
    x = 107,625,558,258.89/300,617.28
  6. Step 6: Final answer
    x = 358,015.21

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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.