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Finding the Fourth Proportional to 538,263.63, 807,401.62 and 230,474.16

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Solution

The fourth proportional to 538,263.63, 807,401.62 and 230,474.16 is: 345,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,263.63 : 807,401.62 = 230,474.16 : x
  2. Step 2: Convert to fraction form
    538,263.63/807,401.62 = 230,474.16/x
  3. Step 3: Cross multiply
    538,263.63x = 807,401.62 × 230,474.16
  4. Step 4: Simplify right side
    538,263.63x = 186,085,210,440.23
  5. Step 5: Solve for x
    x = 186,085,210,440.23/538,263.63
  6. Step 6: Final answer
    x = 345,713.88

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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.