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Finding the Fourth Proportional to 243,893.47, 336,564.42 and 134,998.03

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Solution

The fourth proportional to 243,893.47, 336,564.42 and 134,998.03 is: 186,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,893.47 : 336,564.42 = 134,998.03 : x
  2. Step 2: Convert to fraction form
    243,893.47/336,564.42 = 134,998.03/x
  3. Step 3: Cross multiply
    243,893.47x = 336,564.42 × 134,998.03
  4. Step 4: Simplify right side
    243,893.47x = 45,435,533,668.09
  5. Step 5: Solve for x
    x = 45,435,533,668.09/243,893.47
  6. Step 6: Final answer
    x = 186,292.54

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1.5x scale

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.