Home / 378,816.48-522,955.98-235,622.52

Finding the Fourth Proportional to 378,816.48, 522,955.98 and 235,622.52

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Solution

The fourth proportional to 378,816.48, 522,955.98 and 235,622.52 is: 325,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,816.48 : 522,955.98 = 235,622.52 : x
  2. Step 2: Convert to fraction form
    378,816.48/522,955.98 = 235,622.52/x
  3. Step 3: Cross multiply
    378,816.48x = 522,955.98 × 235,622.52
  4. Step 4: Simplify right side
    378,816.48x = 123,220,205,856.67
  5. Step 5: Solve for x
    x = 123,220,205,856.67/378,816.48
  6. Step 6: Final answer
    x = 325,276.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.