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Finding the Fourth Proportional to 236,276.40, 354,414.60 and 103,220.40

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Solution

The fourth proportional to 236,276.40, 354,414.60 and 103,220.40 is: 154,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,276.40 : 354,414.60 = 103,220.40 : x
  2. Step 2: Convert to fraction form
    236,276.40/354,414.60 = 103,220.40/x
  3. Step 3: Cross multiply
    236,276.40x = 354,414.60 × 103,220.40
  4. Step 4: Simplify right side
    236,276.40x = 36,582,816,777.84
  5. Step 5: Solve for x
    x = 36,582,816,777.84/236,276.40
  6. Step 6: Final answer
    x = 154,830.60

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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.