Home / 272,210.94-408,399.30-139,184.64

Finding the Fourth Proportional to 272,210.94, 408,399.30 and 139,184.64

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Solution

The fourth proportional to 272,210.94, 408,399.30 and 139,184.64 is: 208,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,210.94 : 408,399.30 = 139,184.64 : x
  2. Step 2: Convert to fraction form
    272,210.94/408,399.30 = 139,184.64/x
  3. Step 3: Cross multiply
    272,210.94x = 408,399.30 × 139,184.64
  4. Step 4: Simplify right side
    272,210.94x = 56,842,909,546.75
  5. Step 5: Solve for x
    x = 56,842,909,546.75/272,210.94
  6. Step 6: Final answer
    x = 208,819.34

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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.