Home / 303,664.20-455,496.30-103,966.80

Finding the Fourth Proportional to 303,664.20, 455,496.30 and 103,966.80

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Solution

The fourth proportional to 303,664.20, 455,496.30 and 103,966.80 is: 155,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,664.20 : 455,496.30 = 103,966.80 : x
  2. Step 2: Convert to fraction form
    303,664.20/455,496.30 = 103,966.80/x
  3. Step 3: Cross multiply
    303,664.20x = 455,496.30 × 103,966.80
  4. Step 4: Simplify right side
    303,664.20x = 47,356,492,722.84
  5. Step 5: Solve for x
    x = 47,356,492,722.84/303,664.20
  6. Step 6: Final answer
    x = 155,950.20

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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.