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Finding the Fourth Proportional to 387,786.76, 581,675.78 and 151,295.51

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Solution

The fourth proportional to 387,786.76, 581,675.78 and 151,295.51 is: 226,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,786.76 : 581,675.78 = 151,295.51 : x
  2. Step 2: Convert to fraction form
    387,786.76/581,675.78 = 151,295.51/x
  3. Step 3: Cross multiply
    387,786.76x = 581,675.78 × 151,295.51
  4. Step 4: Simplify right side
    387,786.76x = 88,004,935,622.18
  5. Step 5: Solve for x
    x = 88,004,935,622.18/387,786.76
  6. Step 6: Final answer
    x = 226,941.57

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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.