Home / 356,947.88-492,579.05-203,976.34

Finding the Fourth Proportional to 356,947.88, 492,579.05 and 203,976.34

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Solution

The fourth proportional to 356,947.88, 492,579.05 and 203,976.34 is: 281,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,947.88 : 492,579.05 = 203,976.34 : x
  2. Step 2: Convert to fraction form
    356,947.88/492,579.05 = 203,976.34/x
  3. Step 3: Cross multiply
    356,947.88x = 492,579.05 × 203,976.34
  4. Step 4: Simplify right side
    356,947.88x = 100,474,471,058.17
  5. Step 5: Solve for x
    x = 100,474,471,058.17/356,947.88
  6. Step 6: Final answer
    x = 281,482.19

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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.