Home / 278,876.50-384,852.04-151,552.10

Finding the Fourth Proportional to 278,876.50, 384,852.04 and 151,552.10

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Solution

The fourth proportional to 278,876.50, 384,852.04 and 151,552.10 is: 209,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,876.50 : 384,852.04 = 151,552.10 : x
  2. Step 2: Convert to fraction form
    278,876.50/384,852.04 = 151,552.10/x
  3. Step 3: Cross multiply
    278,876.50x = 384,852.04 × 151,552.10
  4. Step 4: Simplify right side
    278,876.50x = 58,325,134,851.28
  5. Step 5: Solve for x
    x = 58,325,134,851.28/278,876.50
  6. Step 6: Final answer
    x = 209,143.24

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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.