Home / 277,387.32-415,831.29-99,769.50

Finding the Fourth Proportional to 277,387.32, 415,831.29 and 99,769.50

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Solution

The fourth proportional to 277,387.32, 415,831.29 and 99,769.50 is: 149,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,387.32 : 415,831.29 = 99,769.50 : x
  2. Step 2: Convert to fraction form
    277,387.32/415,831.29 = 99,769.50/x
  3. Step 3: Cross multiply
    277,387.32x = 415,831.29 × 99,769.50
  4. Step 4: Simplify right side
    277,387.32x = 41,487,279,887.66
  5. Step 5: Solve for x
    x = 41,487,279,887.66/277,387.32
  6. Step 6: Final answer
    x = 149,564.44

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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.