Home / 303,819.21-455,623.22-169,088.85

Finding the Fourth Proportional to 303,819.21, 455,623.22 and 169,088.85

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Solution

The fourth proportional to 303,819.21, 455,623.22 and 169,088.85 is: 253,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,819.21 : 455,623.22 = 169,088.85 : x
  2. Step 2: Convert to fraction form
    303,819.21/455,623.22 = 169,088.85/x
  3. Step 3: Cross multiply
    303,819.21x = 455,623.22 × 169,088.85
  4. Step 4: Simplify right side
    303,819.21x = 77,040,805,457.65
  5. Step 5: Solve for x
    x = 77,040,805,457.65/303,819.21
  6. Step 6: Final answer
    x = 253,574.50

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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.