Home / 298,941.90-448,412.85-111,929.10

Finding the Fourth Proportional to 298,941.90, 448,412.85 and 111,929.10

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Solution

The fourth proportional to 298,941.90, 448,412.85 and 111,929.10 is: 167,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,941.90 : 448,412.85 = 111,929.10 : x
  2. Step 2: Convert to fraction form
    298,941.90/448,412.85 = 111,929.10/x
  3. Step 3: Cross multiply
    298,941.90x = 448,412.85 × 111,929.10
  4. Step 4: Simplify right side
    298,941.90x = 50,190,446,728.94
  5. Step 5: Solve for x
    x = 50,190,446,728.94/298,941.90
  6. Step 6: Final answer
    x = 167,893.65

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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.