Home / 277,878.69-417,376.02-165,777.62

Finding the Fourth Proportional to 277,878.69, 417,376.02 and 165,777.62

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Solution

The fourth proportional to 277,878.69, 417,376.02 and 165,777.62 is: 248,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,878.69 : 417,376.02 = 165,777.62 : x
  2. Step 2: Convert to fraction form
    277,878.69/417,376.02 = 165,777.62/x
  3. Step 3: Cross multiply
    277,878.69x = 417,376.02 × 165,777.62
  4. Step 4: Simplify right side
    277,878.69x = 69,191,601,153.79
  5. Step 5: Solve for x
    x = 69,191,601,153.79/277,878.69
  6. Step 6: Final answer
    x = 248,999.31

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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.