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Finding the Fourth Proportional to 255,512.88, 352,607.76 and 148,145.28

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Solution

The fourth proportional to 255,512.88, 352,607.76 and 148,145.28 is: 204,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,512.88 : 352,607.76 = 148,145.28 : x
  2. Step 2: Convert to fraction form
    255,512.88/352,607.76 = 148,145.28/x
  3. Step 3: Cross multiply
    255,512.88x = 352,607.76 × 148,145.28
  4. Step 4: Simplify right side
    255,512.88x = 52,237,175,335.37
  5. Step 5: Solve for x
    x = 52,237,175,335.37/255,512.88
  6. Step 6: Final answer
    x = 204,440.48

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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.