Home / 252,501.75-378,816.06-72,587.50

Finding the Fourth Proportional to 252,501.75, 378,816.06 and 72,587.50

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Solution

The fourth proportional to 252,501.75, 378,816.06 and 72,587.50 is: 108,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,501.75 : 378,816.06 = 72,587.50 : x
  2. Step 2: Convert to fraction form
    252,501.75/378,816.06 = 72,587.50/x
  3. Step 3: Cross multiply
    252,501.75x = 378,816.06 × 72,587.50
  4. Step 4: Simplify right side
    252,501.75x = 27,497,311,228.77
  5. Step 5: Solve for x
    x = 27,497,311,228.77/252,501.75
  6. Step 6: Final answer
    x = 108,899.49

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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.