Home / 470,442.72-649,067.90-266,461.22

Finding the Fourth Proportional to 470,442.72, 649,067.90 and 266,461.22

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Solution

The fourth proportional to 470,442.72, 649,067.90 and 266,461.22 is: 367,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,442.72 : 649,067.90 = 266,461.22 : x
  2. Step 2: Convert to fraction form
    470,442.72/649,067.90 = 266,461.22/x
  3. Step 3: Cross multiply
    470,442.72x = 649,067.90 × 266,461.22
  4. Step 4: Simplify right side
    470,442.72x = 172,951,424,496.84
  5. Step 5: Solve for x
    x = 172,951,424,496.84/470,442.72
  6. Step 6: Final answer
    x = 367,635.46

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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.