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Finding the Fourth Proportional to 412,018.28, 568,595.30 and 230,728.68

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Solution

The fourth proportional to 412,018.28, 568,595.30 and 230,728.68 is: 318,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,018.28 : 568,595.30 = 230,728.68 : x
  2. Step 2: Convert to fraction form
    412,018.28/568,595.30 = 230,728.68/x
  3. Step 3: Cross multiply
    412,018.28x = 568,595.30 × 230,728.68
  4. Step 4: Simplify right side
    412,018.28x = 131,191,243,023.20
  5. Step 5: Solve for x
    x = 131,191,243,023.20/412,018.28
  6. Step 6: Final answer
    x = 318,411.22

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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.