Home / 278,472.48-384,292.41-151,148.10

Finding the Fourth Proportional to 278,472.48, 384,292.41 and 151,148.10

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Solution

The fourth proportional to 278,472.48, 384,292.41 and 151,148.10 is: 208,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,472.48 : 384,292.41 = 151,148.10 : x
  2. Step 2: Convert to fraction form
    278,472.48/384,292.41 = 151,148.10/x
  3. Step 3: Cross multiply
    278,472.48x = 384,292.41 × 151,148.10
  4. Step 4: Simplify right side
    278,472.48x = 58,085,067,615.92
  5. Step 5: Solve for x
    x = 58,085,067,615.92/278,472.48
  6. Step 6: Final answer
    x = 208,584.59

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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.