Home / 470,313.14-649,035.52-255,453.21

Finding the Fourth Proportional to 470,313.14, 649,035.52 and 255,453.21

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Solution

The fourth proportional to 470,313.14, 649,035.52 and 255,453.21 is: 352,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,313.14 : 649,035.52 = 255,453.21 : x
  2. Step 2: Convert to fraction form
    470,313.14/649,035.52 = 255,453.21/x
  3. Step 3: Cross multiply
    470,313.14x = 649,035.52 × 255,453.21
  4. Step 4: Simplify right side
    470,313.14x = 165,798,206,349.39
  5. Step 5: Solve for x
    x = 165,798,206,349.39/470,313.14
  6. Step 6: Final answer
    x = 352,527.27

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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.