Home / 278,930.17-384,926.17-151,606.07

Finding the Fourth Proportional to 278,930.17, 384,926.17 and 151,606.07

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Solution

The fourth proportional to 278,930.17, 384,926.17 and 151,606.07 is: 209,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,930.17 : 384,926.17 = 151,606.07 : x
  2. Step 2: Convert to fraction form
    278,930.17/384,926.17 = 151,606.07/x
  3. Step 3: Cross multiply
    278,930.17x = 384,926.17 × 151,606.07
  4. Step 4: Simplify right side
    278,930.17x = 58,357,141,949.22
  5. Step 5: Solve for x
    x = 58,357,141,949.22/278,930.17
  6. Step 6: Final answer
    x = 209,217.75

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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.