Home / 278,718.45-384,791.06-183,501.94

Finding the Fourth Proportional to 278,718.45, 384,791.06 and 183,501.94

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Solution

The fourth proportional to 278,718.45, 384,791.06 and 183,501.94 is: 253,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,718.45 : 384,791.06 = 183,501.94 : x
  2. Step 2: Convert to fraction form
    278,718.45/384,791.06 = 183,501.94/x
  3. Step 3: Cross multiply
    278,718.45x = 384,791.06 × 183,501.94
  4. Step 4: Simplify right side
    278,718.45x = 70,609,906,004.66
  5. Step 5: Solve for x
    x = 70,609,906,004.66/278,718.45
  6. Step 6: Final answer
    x = 253,337.75

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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.