Home / 278,473.22-384,293.48-151,148.87

Finding the Fourth Proportional to 278,473.22, 384,293.48 and 151,148.87

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Solution

The fourth proportional to 278,473.22, 384,293.48 and 151,148.87 is: 208,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,473.22 : 384,293.48 = 151,148.87 : x
  2. Step 2: Convert to fraction form
    278,473.22/384,293.48 = 151,148.87/x
  3. Step 3: Cross multiply
    278,473.22x = 384,293.48 × 151,148.87
  4. Step 4: Simplify right side
    278,473.22x = 58,085,525,250.37
  5. Step 5: Solve for x
    x = 58,085,525,250.37/278,473.22
  6. Step 6: Final answer
    x = 208,585.68

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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.