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Finding the Fourth Proportional to 381,170.66, 525,927.30 and 228,150.71

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Solution

The fourth proportional to 381,170.66, 525,927.30 and 228,150.71 is: 314,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,170.66 : 525,927.30 = 228,150.71 : x
  2. Step 2: Convert to fraction form
    381,170.66/525,927.30 = 228,150.71/x
  3. Step 3: Cross multiply
    381,170.66x = 525,927.30 × 228,150.71
  4. Step 4: Simplify right side
    381,170.66x = 119,990,685,762.63
  5. Step 5: Solve for x
    x = 119,990,685,762.63/381,170.66
  6. Step 6: Final answer
    x = 314,795.18

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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.