Home / 303,520.20-455,555.70-153,864.60

Finding the Fourth Proportional to 303,520.20, 455,555.70 and 153,864.60

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Solution

The fourth proportional to 303,520.20, 455,555.70 and 153,864.60 is: 230,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,520.20 : 455,555.70 = 153,864.60 : x
  2. Step 2: Convert to fraction form
    303,520.20/455,555.70 = 153,864.60/x
  3. Step 3: Cross multiply
    303,520.20x = 455,555.70 × 153,864.60
  4. Step 4: Simplify right side
    303,520.20x = 70,093,895,558.22
  5. Step 5: Solve for x
    x = 70,093,895,558.22/303,520.20
  6. Step 6: Final answer
    x = 230,936.51

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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.