Home / 369,285.60-553,928.40-132,664.80

Finding the Fourth Proportional to 369,285.60, 553,928.40 and 132,664.80

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Solution

The fourth proportional to 369,285.60, 553,928.40 and 132,664.80 is: 198,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,285.60 : 553,928.40 = 132,664.80 : x
  2. Step 2: Convert to fraction form
    369,285.60/553,928.40 = 132,664.80/x
  3. Step 3: Cross multiply
    369,285.60x = 553,928.40 × 132,664.80
  4. Step 4: Simplify right side
    369,285.60x = 73,486,800,400.32
  5. Step 5: Solve for x
    x = 73,486,800,400.32/369,285.60
  6. Step 6: Final answer
    x = 198,997.20

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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.