Home / 256,175.40-353,494.78-148,725.35

Finding the Fourth Proportional to 256,175.40, 353,494.78 and 148,725.35

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Solution

The fourth proportional to 256,175.40, 353,494.78 and 148,725.35 is: 205,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175.40 : 353,494.78 = 148,725.35 : x
  2. Step 2: Convert to fraction form
    256,175.40/353,494.78 = 148,725.35/x
  3. Step 3: Cross multiply
    256,175.40x = 353,494.78 × 148,725.35
  4. Step 4: Simplify right side
    256,175.40x = 52,573,632,367.57
  5. Step 5: Solve for x
    x = 52,573,632,367.57/256,175.40
  6. Step 6: Final answer
    x = 205,225.14

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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.