Home / 470,314.91-649,037.96-255,455.07

Finding the Fourth Proportional to 470,314.91, 649,037.96 and 255,455.07

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Solution

The fourth proportional to 470,314.91, 649,037.96 and 255,455.07 is: 352,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,314.91 : 649,037.96 = 255,455.07 : x
  2. Step 2: Convert to fraction form
    470,314.91/649,037.96 = 255,455.07/x
  3. Step 3: Cross multiply
    470,314.91x = 649,037.96 × 255,455.07
  4. Step 4: Simplify right side
    470,314.91x = 165,800,036,188.18
  5. Step 5: Solve for x
    x = 165,800,036,188.18/470,314.91
  6. Step 6: Final answer
    x = 352,529.83

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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.