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Finding the Fourth Proportional to 340,579.96, 470,014.92 and 189,676.96

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Solution

The fourth proportional to 340,579.96, 470,014.92 and 189,676.96 is: 261,762.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,579.96 : 470,014.92 = 189,676.96 : x
  2. Step 2: Convert to fraction form
    340,579.96/470,014.92 = 189,676.96/x
  3. Step 3: Cross multiply
    340,579.96x = 470,014.92 × 189,676.96
  4. Step 4: Simplify right side
    340,579.96x = 89,151,001,180.24
  5. Step 5: Solve for x
    x = 89,151,001,180.24/340,579.96
  6. Step 6: Final answer
    x = 261,762.32

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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.