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Finding the Fourth Proportional to 369,258.44, 553,887.66 and 88,775.69

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Solution

The fourth proportional to 369,258.44, 553,887.66 and 88,775.69 is: 133,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,258.44 : 553,887.66 = 88,775.69 : x
  2. Step 2: Convert to fraction form
    369,258.44/553,887.66 = 88,775.69/x
  3. Step 3: Cross multiply
    369,258.44x = 553,887.66 × 88,775.69
  4. Step 4: Simplify right side
    369,258.44x = 49,171,756,429.55
  5. Step 5: Solve for x
    x = 49,171,756,429.55/369,258.44
  6. Step 6: Final answer
    x = 133,163.53

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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.