Home / 272,263.20-407,811.60-177,784.80

Finding the Fourth Proportional to 272,263.20, 407,811.60 and 177,784.80

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Solution

The fourth proportional to 272,263.20, 407,811.60 and 177,784.80 is: 266,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,263.20 : 407,811.60 = 177,784.80 : x
  2. Step 2: Convert to fraction form
    272,263.20/407,811.60 = 177,784.80/x
  3. Step 3: Cross multiply
    272,263.20x = 407,811.60 × 177,784.80
  4. Step 4: Simplify right side
    272,263.20x = 72,502,703,743.68
  5. Step 5: Solve for x
    x = 72,502,703,743.68/272,263.20
  6. Step 6: Final answer
    x = 266,296.38

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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.