Home / 278,409.27-384,205.04-151,084.86

Finding the Fourth Proportional to 278,409.27, 384,205.04 and 151,084.86

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Solution

The fourth proportional to 278,409.27, 384,205.04 and 151,084.86 is: 208,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,409.27 : 384,205.04 = 151,084.86 : x
  2. Step 2: Convert to fraction form
    278,409.27/384,205.04 = 151,084.86/x
  3. Step 3: Cross multiply
    278,409.27x = 384,205.04 × 151,084.86
  4. Step 4: Simplify right side
    278,409.27x = 58,047,564,679.69
  5. Step 5: Solve for x
    x = 58,047,564,679.69/278,409.27
  6. Step 6: Final answer
    x = 208,497.24

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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.