Home / 470,631.06-649,475.01-255,771.27

Finding the Fourth Proportional to 470,631.06, 649,475.01 and 255,771.27

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Solution

The fourth proportional to 470,631.06, 649,475.01 and 255,771.27 is: 352,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,631.06 : 649,475.01 = 255,771.27 : x
  2. Step 2: Convert to fraction form
    470,631.06/649,475.01 = 255,771.27/x
  3. Step 3: Cross multiply
    470,631.06x = 649,475.01 × 255,771.27
  4. Step 4: Simplify right side
    470,631.06x = 166,117,048,140.96
  5. Step 5: Solve for x
    x = 166,117,048,140.96/470,631.06
  6. Step 6: Final answer
    x = 352,966.61

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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.