Home / 278,583.92-384,440.02-151,259.62

Finding the Fourth Proportional to 278,583.92, 384,440.02 and 151,259.62

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Solution

The fourth proportional to 278,583.92, 384,440.02 and 151,259.62 is: 208,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,583.92 : 384,440.02 = 151,259.62 : x
  2. Step 2: Convert to fraction form
    278,583.92/384,440.02 = 151,259.62/x
  3. Step 3: Cross multiply
    278,583.92x = 384,440.02 × 151,259.62
  4. Step 4: Simplify right side
    278,583.92x = 58,150,251,337.99
  5. Step 5: Solve for x
    x = 58,150,251,337.99/278,583.92
  6. Step 6: Final answer
    x = 208,735.13

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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.