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Finding the Fourth Proportional to 216,101.60, 324,006.60 and 103,835.60

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Solution

The fourth proportional to 216,101.60, 324,006.60 and 103,835.60 is: 155,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,101.60 : 324,006.60 = 103,835.60 : x
  2. Step 2: Convert to fraction form
    216,101.60/324,006.60 = 103,835.60/x
  3. Step 3: Cross multiply
    216,101.60x = 324,006.60 × 103,835.60
  4. Step 4: Simplify right side
    216,101.60x = 33,643,419,714.96
  5. Step 5: Solve for x
    x = 33,643,419,714.96/216,101.60
  6. Step 6: Final answer
    x = 155,683.34

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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.