Home / 278,851.14-384,816.69-151,527.42

Finding the Fourth Proportional to 278,851.14, 384,816.69 and 151,527.42

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Solution

The fourth proportional to 278,851.14, 384,816.69 and 151,527.42 is: 209,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,851.14 : 384,816.69 = 151,527.42 : x
  2. Step 2: Convert to fraction form
    278,851.14/384,816.69 = 151,527.42/x
  3. Step 3: Cross multiply
    278,851.14x = 384,816.69 × 151,527.42
  4. Step 4: Simplify right side
    278,851.14x = 58,310,280,208.64
  5. Step 5: Solve for x
    x = 58,310,280,208.64/278,851.14
  6. Step 6: Final answer
    x = 209,108.99

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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.