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Finding the Fourth Proportional to 470,795.58, 649,710.63 and 255,950.37

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Solution

The fourth proportional to 470,795.58, 649,710.63 and 255,950.37 is: 353,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,795.58 : 649,710.63 = 255,950.37 : x
  2. Step 2: Convert to fraction form
    470,795.58/649,710.63 = 255,950.37/x
  3. Step 3: Cross multiply
    470,795.58x = 649,710.63 × 255,950.37
  4. Step 4: Simplify right side
    470,795.58x = 166,293,676,141.43
  5. Step 5: Solve for x
    x = 166,293,676,141.43/470,795.58
  6. Step 6: Final answer
    x = 353,218.43

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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.