Home / 323,112.72-484,669.26-145,412.16

Finding the Fourth Proportional to 323,112.72, 484,669.26 and 145,412.16

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Solution

The fourth proportional to 323,112.72, 484,669.26 and 145,412.16 is: 218,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,112.72 : 484,669.26 = 145,412.16 : x
  2. Step 2: Convert to fraction form
    323,112.72/484,669.26 = 145,412.16/x
  3. Step 3: Cross multiply
    323,112.72x = 484,669.26 × 145,412.16
  4. Step 4: Simplify right side
    323,112.72x = 70,476,803,982.20
  5. Step 5: Solve for x
    x = 70,476,803,982.20/323,112.72
  6. Step 6: Final answer
    x = 218,118.32

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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.