Home / 278,923.08-384,916.86-151,598.70

Finding the Fourth Proportional to 278,923.08, 384,916.86 and 151,598.70

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Solution

The fourth proportional to 278,923.08, 384,916.86 and 151,598.70 is: 209,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,923.08 : 384,916.86 = 151,598.70 : x
  2. Step 2: Convert to fraction form
    278,923.08/384,916.86 = 151,598.70/x
  3. Step 3: Cross multiply
    278,923.08x = 384,916.86 × 151,598.70
  4. Step 4: Simplify right side
    278,923.08x = 58,352,895,584.08
  5. Step 5: Solve for x
    x = 58,352,895,584.08/278,923.08
  6. Step 6: Final answer
    x = 209,207.84

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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.