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Finding the Fourth Proportional to 236,852.70, 355,480.65 and 96,711.90

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Solution

The fourth proportional to 236,852.70, 355,480.65 and 96,711.90 is: 145,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,852.70 : 355,480.65 = 96,711.90 : x
  2. Step 2: Convert to fraction form
    236,852.70/355,480.65 = 96,711.90/x
  3. Step 3: Cross multiply
    236,852.70x = 355,480.65 × 96,711.90
  4. Step 4: Simplify right side
    236,852.70x = 34,379,209,074.74
  5. Step 5: Solve for x
    x = 34,379,209,074.74/236,852.70
  6. Step 6: Final answer
    x = 145,150.17

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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.