Home / 648,471.06-972,668.04-199,196.16

Finding the Fourth Proportional to 648,471.06, 972,668.04 and 199,196.16

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Solution

The fourth proportional to 648,471.06, 972,668.04 and 199,196.16 is: 298,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,471.06 : 972,668.04 = 199,196.16 : x
  2. Step 2: Convert to fraction form
    648,471.06/972,668.04 = 199,196.16/x
  3. Step 3: Cross multiply
    648,471.06x = 972,668.04 × 199,196.16
  4. Step 4: Simplify right side
    648,471.06x = 193,751,738,522.73
  5. Step 5: Solve for x
    x = 193,751,738,522.73/648,471.06
  6. Step 6: Final answer
    x = 298,782.40

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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.