Home / 278,669.46-384,562.17-151,343.94

Finding the Fourth Proportional to 278,669.46, 384,562.17 and 151,343.94

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Solution

The fourth proportional to 278,669.46, 384,562.17 and 151,343.94 is: 208,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,669.46 : 384,562.17 = 151,343.94 : x
  2. Step 2: Convert to fraction form
    278,669.46/384,562.17 = 151,343.94/x
  3. Step 3: Cross multiply
    278,669.46x = 384,562.17 × 151,343.94
  4. Step 4: Simplify right side
    278,669.46x = 58,201,153,982.75
  5. Step 5: Solve for x
    x = 58,201,153,982.75/278,669.46
  6. Step 6: Final answer
    x = 208,853.72

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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.