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Finding the Fourth Proportional to 260,190.96, 359,123.54 and 169,388.81

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Solution

The fourth proportional to 260,190.96, 359,123.54 and 169,388.81 is: 233,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,190.96 : 359,123.54 = 169,388.81 : x
  2. Step 2: Convert to fraction form
    260,190.96/359,123.54 = 169,388.81/x
  3. Step 3: Cross multiply
    260,190.96x = 359,123.54 × 169,388.81
  4. Step 4: Simplify right side
    260,190.96x = 60,831,509,134.45
  5. Step 5: Solve for x
    x = 60,831,509,134.45/260,190.96
  6. Step 6: Final answer
    x = 233,795.63

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1.5x scale

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.