Home / 388,560.50-582,814.00-238,823.90

Finding the Fourth Proportional to 388,560.50, 582,814.00 and 238,823.90

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Solution

The fourth proportional to 388,560.50, 582,814.00 and 238,823.90 is: 358,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,560.50 : 582,814.00 = 238,823.90 : x
  2. Step 2: Convert to fraction form
    388,560.50/582,814.00 = 238,823.90/x
  3. Step 3: Cross multiply
    388,560.50x = 582,814.00 × 238,823.90
  4. Step 4: Simplify right side
    388,560.50x = 139,189,911,857.54
  5. Step 5: Solve for x
    x = 139,189,911,857.54/388,560.50
  6. Step 6: Final answer
    x = 358,219.41

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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.