Home / 320,947.05-442,913.88-175,759

Finding the Fourth Proportional to 320,947.05, 442,913.88 and 175,759

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Solution

The fourth proportional to 320,947.05, 442,913.88 and 175,759 is: 242,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,947.05 : 442,913.88 = 175,759 : x
  2. Step 2: Convert to fraction form
    320,947.05/442,913.88 = 175,759/x
  3. Step 3: Cross multiply
    320,947.05x = 442,913.88 × 175,759
  4. Step 4: Simplify right side
    320,947.05x = 77,846,100,634.92
  5. Step 5: Solve for x
    x = 77,846,100,634.92/320,947.05
  6. Step 6: Final answer
    x = 242,551.23

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1.5x scale

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.