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Finding the Fourth Proportional to 432,313.52, 648,472.17 and 179,593.80

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Solution

The fourth proportional to 432,313.52, 648,472.17 and 179,593.80 is: 269,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,313.52 : 648,472.17 = 179,593.80 : x
  2. Step 2: Convert to fraction form
    432,313.52/648,472.17 = 179,593.80/x
  3. Step 3: Cross multiply
    432,313.52x = 648,472.17 × 179,593.80
  4. Step 4: Simplify right side
    432,313.52x = 116,461,579,446.25
  5. Step 5: Solve for x
    x = 116,461,579,446.25/432,313.52
  6. Step 6: Final answer
    x = 269,391.48

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1.5x scale

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.