Home / 272,763.08-376,411.86-151,905.80

Finding the Fourth Proportional to 272,763.08, 376,411.86 and 151,905.80

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Solution

The fourth proportional to 272,763.08, 376,411.86 and 151,905.80 is: 209,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,763.08 : 376,411.86 = 151,905.80 : x
  2. Step 2: Convert to fraction form
    272,763.08/376,411.86 = 151,905.80/x
  3. Step 3: Cross multiply
    272,763.08x = 376,411.86 × 151,905.80
  4. Step 4: Simplify right side
    272,763.08x = 57,179,144,722.79
  5. Step 5: Solve for x
    x = 57,179,144,722.79/272,763.08
  6. Step 6: Final answer
    x = 209,629.34

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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.