Home / 256,103.36-353,378.24-148,649.28

Finding the Fourth Proportional to 256,103.36, 353,378.24 and 148,649.28

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Solution

The fourth proportional to 256,103.36, 353,378.24 and 148,649.28 is: 205,110.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,103.36 : 353,378.24 = 148,649.28 : x
  2. Step 2: Convert to fraction form
    256,103.36/353,378.24 = 148,649.28/x
  3. Step 3: Cross multiply
    256,103.36x = 353,378.24 × 148,649.28
  4. Step 4: Simplify right side
    256,103.36x = 52,529,420,943.67
  5. Step 5: Solve for x
    x = 52,529,420,943.67/256,103.36
  6. Step 6: Final answer
    x = 205,110.24

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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.