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Finding the Fourth Proportional to 252,323.80, 378,477.50 and 102,519.80

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Solution

The fourth proportional to 252,323.80, 378,477.50 and 102,519.80 is: 153,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,323.80 : 378,477.50 = 102,519.80 : x
  2. Step 2: Convert to fraction form
    252,323.80/378,477.50 = 102,519.80/x
  3. Step 3: Cross multiply
    252,323.80x = 378,477.50 × 102,519.80
  4. Step 4: Simplify right side
    252,323.80x = 38,801,437,604.50
  5. Step 5: Solve for x
    x = 38,801,437,604.50/252,323.80
  6. Step 6: Final answer
    x = 153,776.37

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1.5x scale

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.