Home / 278,876.56-384,853.81-151,552.26

Finding the Fourth Proportional to 278,876.56, 384,853.81 and 151,552.26

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Solution

The fourth proportional to 278,876.56, 384,853.81 and 151,552.26 is: 209,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,876.56 : 384,853.81 = 151,552.26 : x
  2. Step 2: Convert to fraction form
    278,876.56/384,853.81 = 151,552.26/x
  3. Step 3: Cross multiply
    278,876.56x = 384,853.81 × 151,552.26
  4. Step 4: Simplify right side
    278,876.56x = 58,325,462,371.96
  5. Step 5: Solve for x
    x = 58,325,462,371.96/278,876.56
  6. Step 6: Final answer
    x = 209,144.37

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1.5x scale

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.