Home / 485,144.04-727,856.46-200,782.08

Finding the Fourth Proportional to 485,144.04, 727,856.46 and 200,782.08

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Solution

The fourth proportional to 485,144.04, 727,856.46 and 200,782.08 is: 301,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,144.04 : 727,856.46 = 200,782.08 : x
  2. Step 2: Convert to fraction form
    485,144.04/727,856.46 = 200,782.08/x
  3. Step 3: Cross multiply
    485,144.04x = 727,856.46 × 200,782.08
  4. Step 4: Simplify right side
    485,144.04x = 146,140,533,980.24
  5. Step 5: Solve for x
    x = 146,140,533,980.24/485,144.04
  6. Step 6: Final answer
    x = 301,231.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.