Home / 253,431.27-349,649.73-145,998.54

Finding the Fourth Proportional to 253,431.27, 349,649.73 and 145,998.54

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Solution

The fourth proportional to 253,431.27, 349,649.73 and 145,998.54 is: 201,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,431.27 : 349,649.73 = 145,998.54 : x
  2. Step 2: Convert to fraction form
    253,431.27/349,649.73 = 145,998.54/x
  3. Step 3: Cross multiply
    253,431.27x = 349,649.73 × 145,998.54
  4. Step 4: Simplify right side
    253,431.27x = 51,048,350,091.39
  5. Step 5: Solve for x
    x = 51,048,350,091.39/253,431.27
  6. Step 6: Final answer
    x = 201,428.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.