Home / 470,206.23-649,083.21-317,451.32

Finding the Fourth Proportional to 470,206.23, 649,083.21 and 317,451.32

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Solution

The fourth proportional to 470,206.23, 649,083.21 and 317,451.32 is: 438,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,206.23 : 649,083.21 = 317,451.32 : x
  2. Step 2: Convert to fraction form
    470,206.23/649,083.21 = 317,451.32/x
  3. Step 3: Cross multiply
    470,206.23x = 649,083.21 × 317,451.32
  4. Step 4: Simplify right side
    470,206.23x = 206,052,318,558.92
  5. Step 5: Solve for x
    x = 206,052,318,558.92/470,206.23
  6. Step 6: Final answer
    x = 438,216.90

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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.