Home / 278,591.15-384,445.01-151,263.83

Finding the Fourth Proportional to 278,591.15, 384,445.01 and 151,263.83

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Solution

The fourth proportional to 278,591.15, 384,445.01 and 151,263.83 is: 208,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,591.15 : 384,445.01 = 151,263.83 : x
  2. Step 2: Convert to fraction form
    278,591.15/384,445.01 = 151,263.83/x
  3. Step 3: Cross multiply
    278,591.15x = 384,445.01 × 151,263.83
  4. Step 4: Simplify right side
    278,591.15x = 58,152,623,400.11
  5. Step 5: Solve for x
    x = 58,152,623,400.11/278,591.15
  6. Step 6: Final answer
    x = 208,738.23

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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.