Home / 278,452.26-384,254.37-151,125.30

Finding the Fourth Proportional to 278,452.26, 384,254.37 and 151,125.30

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Solution

The fourth proportional to 278,452.26, 384,254.37 and 151,125.30 is: 208,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,452.26 : 384,254.37 = 151,125.30 : x
  2. Step 2: Convert to fraction form
    278,452.26/384,254.37 = 151,125.30/x
  3. Step 3: Cross multiply
    278,452.26x = 384,254.37 × 151,125.30
  4. Step 4: Simplify right side
    278,452.26x = 58,070,556,942.56
  5. Step 5: Solve for x
    x = 58,070,556,942.56/278,452.26
  6. Step 6: Final answer
    x = 208,547.62

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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.