Home / 272,816.08-376,399.56-153,561.04

Finding the Fourth Proportional to 272,816.08, 376,399.56 and 153,561.04

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Solution

The fourth proportional to 272,816.08, 376,399.56 and 153,561.04 is: 211,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,816.08 : 376,399.56 = 153,561.04 : x
  2. Step 2: Convert to fraction form
    272,816.08/376,399.56 = 153,561.04/x
  3. Step 3: Cross multiply
    272,816.08x = 376,399.56 × 153,561.04
  4. Step 4: Simplify right side
    272,816.08x = 57,800,307,889.14
  5. Step 5: Solve for x
    x = 57,800,307,889.14/272,816.08
  6. Step 6: Final answer
    x = 211,865.47

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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.