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Finding the Fourth Proportional to 299,998.89, 447,351.93 and 297,298.62

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Solution

The fourth proportional to 299,998.89, 447,351.93 and 297,298.62 is: 443,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,998.89 : 447,351.93 = 297,298.62 : x
  2. Step 2: Convert to fraction form
    299,998.89/447,351.93 = 297,298.62/x
  3. Step 3: Cross multiply
    299,998.89x = 447,351.93 × 297,298.62
  4. Step 4: Simplify right side
    299,998.89x = 132,997,111,443.34
  5. Step 5: Solve for x
    x = 132,997,111,443.34/299,998.89
  6. Step 6: Final answer
    x = 443,325.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.