Home / 278,884.20-384,852.14-158,064.50

Finding the Fourth Proportional to 278,884.20, 384,852.14 and 158,064.50

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Solution

The fourth proportional to 278,884.20, 384,852.14 and 158,064.50 is: 218,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,884.20 : 384,852.14 = 158,064.50 : x
  2. Step 2: Convert to fraction form
    278,884.20/384,852.14 = 158,064.50/x
  3. Step 3: Cross multiply
    278,884.20x = 384,852.14 × 158,064.50
  4. Step 4: Simplify right side
    278,884.20x = 60,831,461,083.03
  5. Step 5: Solve for x
    x = 60,831,461,083.03/278,884.20
  6. Step 6: Final answer
    x = 218,124.44

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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.