Home / 347,214.92-478,997.70-203,972.36

Finding the Fourth Proportional to 347,214.92, 478,997.70 and 203,972.36

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Solution

The fourth proportional to 347,214.92, 478,997.70 and 203,972.36 is: 281,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,214.92 : 478,997.70 = 203,972.36 : x
  2. Step 2: Convert to fraction form
    347,214.92/478,997.70 = 203,972.36/x
  3. Step 3: Cross multiply
    347,214.92x = 478,997.70 × 203,972.36
  4. Step 4: Simplify right side
    347,214.92x = 97,702,291,303.57
  5. Step 5: Solve for x
    x = 97,702,291,303.57/347,214.92
  6. Step 6: Final answer
    x = 281,388.52

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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.