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Finding the Fourth Proportional to 255,710.16, 352,801.71 and 148,258.62

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Solution

The fourth proportional to 255,710.16, 352,801.71 and 148,258.62 is: 204,551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,710.16 : 352,801.71 = 148,258.62 : x
  2. Step 2: Convert to fraction form
    255,710.16/352,801.71 = 148,258.62/x
  3. Step 3: Cross multiply
    255,710.16x = 352,801.71 × 148,258.62
  4. Step 4: Simplify right side
    255,710.16x = 52,305,894,658.24
  5. Step 5: Solve for x
    x = 52,305,894,658.24/255,710.16
  6. Step 6: Final answer
    x = 204,551.49

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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.