Home / 272,262.90-408,066.30-139,074.60

Finding the Fourth Proportional to 272,262.90, 408,066.30 and 139,074.60

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Solution

The fourth proportional to 272,262.90, 408,066.30 and 139,074.60 is: 208,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,262.90 : 408,066.30 = 139,074.60 : x
  2. Step 2: Convert to fraction form
    272,262.90/408,066.30 = 139,074.60/x
  3. Step 3: Cross multiply
    272,262.90x = 408,066.30 × 139,074.60
  4. Step 4: Simplify right side
    272,262.90x = 56,751,657,445.98
  5. Step 5: Solve for x
    x = 56,751,657,445.98/272,262.90
  6. Step 6: Final answer
    x = 208,444.33

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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.