Home / 278,643.02-384,523.92-151,319.52

Finding the Fourth Proportional to 278,643.02, 384,523.92 and 151,319.52

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Solution

The fourth proportional to 278,643.02, 384,523.92 and 151,319.52 is: 208,819.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,643.02 : 384,523.92 = 151,319.52 : x
  2. Step 2: Convert to fraction form
    278,643.02/384,523.92 = 151,319.52/x
  3. Step 3: Cross multiply
    278,643.02x = 384,523.92 × 151,319.52
  4. Step 4: Simplify right side
    278,643.02x = 58,185,975,002.92
  5. Step 5: Solve for x
    x = 58,185,975,002.92/278,643.02
  6. Step 6: Final answer
    x = 208,819.07

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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.