Home / 303,338.10-455,007.15-103,610.33

Finding the Fourth Proportional to 303,338.10, 455,007.15 and 103,610.33

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Solution

The fourth proportional to 303,338.10, 455,007.15 and 103,610.33 is: 155,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,338.10 : 455,007.15 = 103,610.33 : x
  2. Step 2: Convert to fraction form
    303,338.10/455,007.15 = 103,610.33/x
  3. Step 3: Cross multiply
    303,338.10x = 455,007.15 × 103,610.33
  4. Step 4: Simplify right side
    303,338.10x = 47,143,438,688.82
  5. Step 5: Solve for x
    x = 47,143,438,688.82/303,338.10
  6. Step 6: Final answer
    x = 155,415.49

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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.