Home / 278,756.06-384,650.71-164,009.48

Finding the Fourth Proportional to 278,756.06, 384,650.71 and 164,009.48

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Solution

The fourth proportional to 278,756.06, 384,650.71 and 164,009.48 is: 226,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,756.06 : 384,650.71 = 164,009.48 : x
  2. Step 2: Convert to fraction form
    278,756.06/384,650.71 = 164,009.48/x
  3. Step 3: Cross multiply
    278,756.06x = 384,650.71 × 164,009.48
  4. Step 4: Simplify right side
    278,756.06x = 63,086,360,595.45
  5. Step 5: Solve for x
    x = 63,086,360,595.45/278,756.06
  6. Step 6: Final answer
    x = 226,313.87

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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.