Home / 272,783.07-409,174.56-104,320.36

Finding the Fourth Proportional to 272,783.07, 409,174.56 and 104,320.36

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Solution

The fourth proportional to 272,783.07, 409,174.56 and 104,320.36 is: 156,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,783.07 : 409,174.56 = 104,320.36 : x
  2. Step 2: Convert to fraction form
    272,783.07/409,174.56 = 104,320.36/x
  3. Step 3: Cross multiply
    272,783.07x = 409,174.56 × 104,320.36
  4. Step 4: Simplify right side
    272,783.07x = 42,685,235,905.30
  5. Step 5: Solve for x
    x = 42,685,235,905.30/272,783.07
  6. Step 6: Final answer
    x = 156,480.52

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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.