Home / 383,895.76-529,946.02-247,995.96

Finding the Fourth Proportional to 383,895.76, 529,946.02 and 247,995.96

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Solution

The fourth proportional to 383,895.76, 529,946.02 and 247,995.96 is: 342,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,895.76 : 529,946.02 = 247,995.96 : x
  2. Step 2: Convert to fraction form
    383,895.76/529,946.02 = 247,995.96/x
  3. Step 3: Cross multiply
    383,895.76x = 529,946.02 × 247,995.96
  4. Step 4: Simplify right side
    383,895.76x = 131,424,471,978.08
  5. Step 5: Solve for x
    x = 131,424,471,978.08/383,895.76
  6. Step 6: Final answer
    x = 342,344.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.