Home / 470,835.58-649,765.92-255,990.10

Finding the Fourth Proportional to 470,835.58, 649,765.92 and 255,990.10

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Solution

The fourth proportional to 470,835.58, 649,765.92 and 255,990.10 is: 353,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,835.58 : 649,765.92 = 255,990.10 : x
  2. Step 2: Convert to fraction form
    470,835.58/649,765.92 = 255,990.10/x
  3. Step 3: Cross multiply
    470,835.58x = 649,765.92 × 255,990.10
  4. Step 4: Simplify right side
    470,835.58x = 166,333,642,837.39
  5. Step 5: Solve for x
    x = 166,333,642,837.39/470,835.58
  6. Step 6: Final answer
    x = 353,273.31

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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.