Home / 297,947.40-446,921.10-171,976.20

Finding the Fourth Proportional to 297,947.40, 446,921.10 and 171,976.20

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Solution

The fourth proportional to 297,947.40, 446,921.10 and 171,976.20 is: 257,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,947.40 : 446,921.10 = 171,976.20 : x
  2. Step 2: Convert to fraction form
    297,947.40/446,921.10 = 171,976.20/x
  3. Step 3: Cross multiply
    297,947.40x = 446,921.10 × 171,976.20
  4. Step 4: Simplify right side
    297,947.40x = 76,859,792,477.82
  5. Step 5: Solve for x
    x = 76,859,792,477.82/297,947.40
  6. Step 6: Final answer
    x = 257,964.30

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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.