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Finding the Fourth Proportional to 170,032.20, 255,048.30 and 151,369.80

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Solution

The fourth proportional to 170,032.20, 255,048.30 and 151,369.80 is: 227,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,032.20 : 255,048.30 = 151,369.80 : x
  2. Step 2: Convert to fraction form
    170,032.20/255,048.30 = 151,369.80/x
  3. Step 3: Cross multiply
    170,032.20x = 255,048.30 × 151,369.80
  4. Step 4: Simplify right side
    170,032.20x = 38,606,610,161.34
  5. Step 5: Solve for x
    x = 38,606,610,161.34/170,032.20
  6. Step 6: Final answer
    x = 227,054.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.