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Finding the Fourth Proportional to 255,801.42, 353,001.15 and 141,090.75

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Solution

The fourth proportional to 255,801.42, 353,001.15 and 141,090.75 is: 194,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,801.42 : 353,001.15 = 141,090.75 : x
  2. Step 2: Convert to fraction form
    255,801.42/353,001.15 = 141,090.75/x
  3. Step 3: Cross multiply
    255,801.42x = 353,001.15 × 141,090.75
  4. Step 4: Simplify right side
    255,801.42x = 49,805,197,004.36
  5. Step 5: Solve for x
    x = 49,805,197,004.36/255,801.42
  6. Step 6: Final answer
    x = 194,702.58

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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.