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Finding the Fourth Proportional to 259,258, 388,925.88 and 93,084.88

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Solution

The fourth proportional to 259,258, 388,925.88 and 93,084.88 is: 139,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,258 : 388,925.88 = 93,084.88 : x
  2. Step 2: Convert to fraction form
    259,258/388,925.88 = 93,084.88/x
  3. Step 3: Cross multiply
    259,258x = 388,925.88 × 93,084.88
  4. Step 4: Simplify right side
    259,258x = 36,203,118,868.69
  5. Step 5: Solve for x
    x = 36,203,118,868.69/259,258
  6. Step 6: Final answer
    x = 139,641.28

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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.