Home / 303,118.20-454,677.30-134,638.20

Finding the Fourth Proportional to 303,118.20, 454,677.30 and 134,638.20

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Solution

The fourth proportional to 303,118.20, 454,677.30 and 134,638.20 is: 201,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,118.20 : 454,677.30 = 134,638.20 : x
  2. Step 2: Convert to fraction form
    303,118.20/454,677.30 = 134,638.20/x
  3. Step 3: Cross multiply
    303,118.20x = 454,677.30 × 134,638.20
  4. Step 4: Simplify right side
    303,118.20x = 61,216,933,252.86
  5. Step 5: Solve for x
    x = 61,216,933,252.86/303,118.20
  6. Step 6: Final answer
    x = 201,957.30

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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.