Home / 289,054.55-398,630.24-248,204.79

Finding the Fourth Proportional to 289,054.55, 398,630.24 and 248,204.79

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Solution

The fourth proportional to 289,054.55, 398,630.24 and 248,204.79 is: 342,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,054.55 : 398,630.24 = 248,204.79 : x
  2. Step 2: Convert to fraction form
    289,054.55/398,630.24 = 248,204.79/x
  3. Step 3: Cross multiply
    289,054.55x = 398,630.24 × 248,204.79
  4. Step 4: Simplify right side
    289,054.55x = 98,941,933,529.50
  5. Step 5: Solve for x
    x = 98,941,933,529.50/289,054.55
  6. Step 6: Final answer
    x = 342,295.02

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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.