Home / 507,495.36-761,243.04-211,800

Finding the Fourth Proportional to 507,495.36, 761,243.04 and 211,800

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Solution

The fourth proportional to 507,495.36, 761,243.04 and 211,800 is: 317,700

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,495.36 : 761,243.04 = 211,800 : x
  2. Step 2: Convert to fraction form
    507,495.36/761,243.04 = 211,800/x
  3. Step 3: Cross multiply
    507,495.36x = 761,243.04 × 211,800
  4. Step 4: Simplify right side
    507,495.36x = 161,231,275,872
  5. Step 5: Solve for x
    x = 161,231,275,872/507,495.36
  6. Step 6: Final answer
    x = 317,700

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.