Home / 313,579.44-470,436.24-97,433.64

Finding the Fourth Proportional to 313,579.44, 470,436.24 and 97,433.64

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Solution

The fourth proportional to 313,579.44, 470,436.24 and 97,433.64 is: 146,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,579.44 : 470,436.24 = 97,433.64 : x
  2. Step 2: Convert to fraction form
    313,579.44/470,436.24 = 97,433.64/x
  3. Step 3: Cross multiply
    313,579.44x = 470,436.24 × 97,433.64
  4. Step 4: Simplify right side
    313,579.44x = 45,836,315,251.11
  5. Step 5: Solve for x
    x = 45,836,315,251.11/313,579.44
  6. Step 6: Final answer
    x = 146,171.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.