Home / 278,336.40-384,104.26-151,012.02

Finding the Fourth Proportional to 278,336.40, 384,104.26 and 151,012.02

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Solution

The fourth proportional to 278,336.40, 384,104.26 and 151,012.02 is: 208,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,336.40 : 384,104.26 = 151,012.02 : x
  2. Step 2: Convert to fraction form
    278,336.40/384,104.26 = 151,012.02/x
  3. Step 3: Cross multiply
    278,336.40x = 384,104.26 × 151,012.02
  4. Step 4: Simplify right side
    278,336.40x = 58,004,360,193.21
  5. Step 5: Solve for x
    x = 58,004,360,193.21/278,336.40
  6. Step 6: Final answer
    x = 208,396.60

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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.