Home / 272,074.69-375,469.45-151,221.07

Finding the Fourth Proportional to 272,074.69, 375,469.45 and 151,221.07

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Solution

The fourth proportional to 272,074.69, 375,469.45 and 151,221.07 is: 208,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,074.69 : 375,469.45 = 151,221.07 : x
  2. Step 2: Convert to fraction form
    272,074.69/375,469.45 = 151,221.07/x
  3. Step 3: Cross multiply
    272,074.69x = 375,469.45 × 151,221.07
  4. Step 4: Simplify right side
    272,074.69x = 56,778,890,664.59
  5. Step 5: Solve for x
    x = 56,778,890,664.59/272,074.69
  6. Step 6: Final answer
    x = 208,688.62

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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.