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Finding the Fourth Proportional to 288,262.07, 397,775.48 and 160,914.23

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Solution

The fourth proportional to 288,262.07, 397,775.48 and 160,914.23 is: 222,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,262.07 : 397,775.48 = 160,914.23 : x
  2. Step 2: Convert to fraction form
    288,262.07/397,775.48 = 160,914.23/x
  3. Step 3: Cross multiply
    288,262.07x = 397,775.48 × 160,914.23
  4. Step 4: Simplify right side
    288,262.07x = 64,007,737,370.49
  5. Step 5: Solve for x
    x = 64,007,737,370.49/288,262.07
  6. Step 6: Final answer
    x = 222,047.03

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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.