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Finding the Fourth Proportional to 238,536.84, 357,804.96 and 61,043.91

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Solution

The fourth proportional to 238,536.84, 357,804.96 and 61,043.91 is: 91,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,536.84 : 357,804.96 = 61,043.91 : x
  2. Step 2: Convert to fraction form
    238,536.84/357,804.96 = 61,043.91/x
  3. Step 3: Cross multiply
    238,536.84x = 357,804.96 × 61,043.91
  4. Step 4: Simplify right side
    238,536.84x = 21,841,813,775.79
  5. Step 5: Solve for x
    x = 21,841,813,775.79/238,536.84
  6. Step 6: Final answer
    x = 91,565.79

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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.