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Finding the Fourth Proportional to 238,893, 358,342.20 and 61,395.18

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Solution

The fourth proportional to 238,893, 358,342.20 and 61,395.18 is: 92,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,893 : 358,342.20 = 61,395.18 : x
  2. Step 2: Convert to fraction form
    238,893/358,342.20 = 61,395.18/x
  3. Step 3: Cross multiply
    238,893x = 358,342.20 × 61,395.18
  4. Step 4: Simplify right side
    238,893x = 22,000,483,870.60
  5. Step 5: Solve for x
    x = 22,000,483,870.60/238,893
  6. Step 6: Final answer
    x = 92,093.46

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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.