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Finding the Fourth Proportional to 538,117.56, 806,622.49 and 238,739.13

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Solution

The fourth proportional to 538,117.56, 806,622.49 and 238,739.13 is: 357,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,117.56 : 806,622.49 = 238,739.13 : x
  2. Step 2: Convert to fraction form
    538,117.56/806,622.49 = 238,739.13/x
  3. Step 3: Cross multiply
    538,117.56x = 806,622.49 × 238,739.13
  4. Step 4: Simplify right side
    538,117.56x = 192,572,351,501.03
  5. Step 5: Solve for x
    x = 192,572,351,501.03/538,117.56
  6. Step 6: Final answer
    x = 357,862.98

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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.