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Finding the Fourth Proportional to 259,269, 388,890.50 and 101,526.36

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Solution

The fourth proportional to 259,269, 388,890.50 and 101,526.36 is: 152,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,269 : 388,890.50 = 101,526.36 : x
  2. Step 2: Convert to fraction form
    259,269/388,890.50 = 101,526.36/x
  3. Step 3: Cross multiply
    259,269x = 388,890.50 × 101,526.36
  4. Step 4: Simplify right side
    259,269x = 39,482,636,903.58
  5. Step 5: Solve for x
    x = 39,482,636,903.58/259,269
  6. Step 6: Final answer
    x = 152,284.45

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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.