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Finding the Fourth Proportional to 238,518.55, 357,775.30 and 61,024.15

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Solution

The fourth proportional to 238,518.55, 357,775.30 and 61,024.15 is: 91,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,518.55 : 357,775.30 = 61,024.15 : x
  2. Step 2: Convert to fraction form
    238,518.55/357,775.30 = 61,024.15/x
  3. Step 3: Cross multiply
    238,518.55x = 357,775.30 × 61,024.15
  4. Step 4: Simplify right side
    238,518.55x = 21,832,933,573.50
  5. Step 5: Solve for x
    x = 21,832,933,573.50/238,518.55
  6. Step 6: Final answer
    x = 91,535.58

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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.