Home / 272,917.35-376,653.65-152,078.31

Finding the Fourth Proportional to 272,917.35, 376,653.65 and 152,078.31

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Solution

The fourth proportional to 272,917.35, 376,653.65 and 152,078.31 is: 209,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,917.35 : 376,653.65 = 152,078.31 : x
  2. Step 2: Convert to fraction form
    272,917.35/376,653.65 = 152,078.31/x
  3. Step 3: Cross multiply
    272,917.35x = 376,653.65 × 152,078.31
  4. Step 4: Simplify right side
    272,917.35x = 57,280,849,786.94
  5. Step 5: Solve for x
    x = 57,280,849,786.94/272,917.35
  6. Step 6: Final answer
    x = 209,883.50

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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.