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Finding the Fourth Proportional to 258,662.70, 356,884.65 and 151,259.13

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Solution

The fourth proportional to 258,662.70, 356,884.65 and 151,259.13 is: 208,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,662.70 : 356,884.65 = 151,259.13 : x
  2. Step 2: Convert to fraction form
    258,662.70/356,884.65 = 151,259.13/x
  3. Step 3: Cross multiply
    258,662.70x = 356,884.65 × 151,259.13
  4. Step 4: Simplify right side
    258,662.70x = 53,982,061,669.35
  5. Step 5: Solve for x
    x = 53,982,061,669.35/258,662.70
  6. Step 6: Final answer
    x = 208,696.74

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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.