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Finding the Fourth Proportional to 329,218.92, 493,777.80 and 104,550.21

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Solution

The fourth proportional to 329,218.92, 493,777.80 and 104,550.21 is: 156,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,218.92 : 493,777.80 = 104,550.21 : x
  2. Step 2: Convert to fraction form
    329,218.92/493,777.80 = 104,550.21/x
  3. Step 3: Cross multiply
    329,218.92x = 493,777.80 × 104,550.21
  4. Step 4: Simplify right side
    329,218.92x = 51,624,572,683.34
  5. Step 5: Solve for x
    x = 51,624,572,683.34/329,218.92
  6. Step 6: Final answer
    x = 156,809.25

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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.