Home / 278,934.81-384,934.41-151,610.73

Finding the Fourth Proportional to 278,934.81, 384,934.41 and 151,610.73

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Solution

The fourth proportional to 278,934.81, 384,934.41 and 151,610.73 is: 209,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,934.81 : 384,934.41 = 151,610.73 : x
  2. Step 2: Convert to fraction form
    278,934.81/384,934.41 = 151,610.73/x
  3. Step 3: Cross multiply
    278,934.81x = 384,934.41 × 151,610.73
  4. Step 4: Simplify right side
    278,934.81x = 58,360,186,902.22
  5. Step 5: Solve for x
    x = 58,360,186,902.22/278,934.81
  6. Step 6: Final answer
    x = 209,225.18

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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.