Home / 398,724.02-550,252.85-226,649.19

Finding the Fourth Proportional to 398,724.02, 550,252.85 and 226,649.19

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Solution

The fourth proportional to 398,724.02, 550,252.85 and 226,649.19 is: 312,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,724.02 : 550,252.85 = 226,649.19 : x
  2. Step 2: Convert to fraction form
    398,724.02/550,252.85 = 226,649.19/x
  3. Step 3: Cross multiply
    398,724.02x = 550,252.85 × 226,649.19
  4. Step 4: Simplify right side
    398,724.02x = 124,714,360,582.72
  5. Step 5: Solve for x
    x = 124,714,360,582.72/398,724.02
  6. Step 6: Final answer
    x = 312,783.67

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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.