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Finding the Fourth Proportional to 369,952.35, 554,928.81 and 89,469.60

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Solution

The fourth proportional to 369,952.35, 554,928.81 and 89,469.60 is: 134,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,952.35 : 554,928.81 = 89,469.60 : x
  2. Step 2: Convert to fraction form
    369,952.35/554,928.81 = 89,469.60/x
  3. Step 3: Cross multiply
    369,952.35x = 554,928.81 × 89,469.60
  4. Step 4: Simplify right side
    369,952.35x = 49,649,258,659.18
  5. Step 5: Solve for x
    x = 49,649,258,659.18/369,952.35
  6. Step 6: Final answer
    x = 134,204.47

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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.