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Finding the Fourth Proportional to 236,907.80, 355,232.10 and 96,507.80

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Solution

The fourth proportional to 236,907.80, 355,232.10 and 96,507.80 is: 144,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,907.80 : 355,232.10 = 96,507.80 : x
  2. Step 2: Convert to fraction form
    236,907.80/355,232.10 = 96,507.80/x
  3. Step 3: Cross multiply
    236,907.80x = 355,232.10 × 96,507.80
  4. Step 4: Simplify right side
    236,907.80x = 34,282,668,460.38
  5. Step 5: Solve for x
    x = 34,282,668,460.38/236,907.80
  6. Step 6: Final answer
    x = 144,708.91

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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.