Home / 253,518.20-379,730.59-238,612.94

Finding the Fourth Proportional to 253,518.20, 379,730.59 and 238,612.94

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Solution

The fourth proportional to 253,518.20, 379,730.59 and 238,612.94 is: 357,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,518.20 : 379,730.59 = 238,612.94 : x
  2. Step 2: Convert to fraction form
    253,518.20/379,730.59 = 238,612.94/x
  3. Step 3: Cross multiply
    253,518.20x = 379,730.59 × 238,612.94
  4. Step 4: Simplify right side
    253,518.20x = 90,608,632,487.83
  5. Step 5: Solve for x
    x = 90,608,632,487.83/253,518.20
  6. Step 6: Final answer
    x = 357,404.84

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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.