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Finding the Fourth Proportional to 219,200.40, 328,800.60 and 101,102.40

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Solution

The fourth proportional to 219,200.40, 328,800.60 and 101,102.40 is: 151,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,200.40 : 328,800.60 = 101,102.40 : x
  2. Step 2: Convert to fraction form
    219,200.40/328,800.60 = 101,102.40/x
  3. Step 3: Cross multiply
    219,200.40x = 328,800.60 × 101,102.40
  4. Step 4: Simplify right side
    219,200.40x = 33,242,529,781.44
  5. Step 5: Solve for x
    x = 33,242,529,781.44/219,200.40
  6. Step 6: Final answer
    x = 151,653.60

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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.