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Finding the Fourth Proportional to 238,607.93, 329,259.36 and 140,475.56

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Solution

The fourth proportional to 238,607.93, 329,259.36 and 140,475.56 is: 193,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,607.93 : 329,259.36 = 140,475.56 : x
  2. Step 2: Convert to fraction form
    238,607.93/329,259.36 = 140,475.56/x
  3. Step 3: Cross multiply
    238,607.93x = 329,259.36 × 140,475.56
  4. Step 4: Simplify right side
    238,607.93x = 46,252,892,981.24
  5. Step 5: Solve for x
    x = 46,252,892,981.24/238,607.93
  6. Step 6: Final answer
    x = 193,844.74

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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.