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Finding the Fourth Proportional to 427,597.17, 590,146.68 and 246,273.81

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Solution

The fourth proportional to 427,597.17, 590,146.68 and 246,273.81 is: 339,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,597.17 : 590,146.68 = 246,273.81 : x
  2. Step 2: Convert to fraction form
    427,597.17/590,146.68 = 246,273.81/x
  3. Step 3: Cross multiply
    427,597.17x = 590,146.68 × 246,273.81
  4. Step 4: Simplify right side
    427,597.17x = 145,337,671,342.45
  5. Step 5: Solve for x
    x = 145,337,671,342.45/427,597.17
  6. Step 6: Final answer
    x = 339,893.90

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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.