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Finding the Fourth Proportional to 258,843.39, 357,148.77 and 151,392.45

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Solution

The fourth proportional to 258,843.39, 357,148.77 and 151,392.45 is: 208,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,843.39 : 357,148.77 = 151,392.45 : x
  2. Step 2: Convert to fraction form
    258,843.39/357,148.77 = 151,392.45/x
  3. Step 3: Cross multiply
    258,843.39x = 357,148.77 × 151,392.45
  4. Step 4: Simplify right side
    258,843.39x = 54,069,627,304.79
  5. Step 5: Solve for x
    x = 54,069,627,304.79/258,843.39
  6. Step 6: Final answer
    x = 208,889.35

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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.