Home / 303,531.50-455,299.08-135,012.22

Finding the Fourth Proportional to 303,531.50, 455,299.08 and 135,012.22

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Solution

The fourth proportional to 303,531.50, 455,299.08 and 135,012.22 is: 202,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,531.50 : 455,299.08 = 135,012.22 : x
  2. Step 2: Convert to fraction form
    303,531.50/455,299.08 = 135,012.22/x
  3. Step 3: Cross multiply
    303,531.50x = 455,299.08 × 135,012.22
  4. Step 4: Simplify right side
    303,531.50x = 61,470,937,910.21
  5. Step 5: Solve for x
    x = 61,470,937,910.21/303,531.50
  6. Step 6: Final answer
    x = 202,519.14

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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.