Home / 212,627.04-318,941.01-199,636.26

Finding the Fourth Proportional to 212,627.04, 318,941.01 and 199,636.26

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Solution

The fourth proportional to 212,627.04, 318,941.01 and 199,636.26 is: 299,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,627.04 : 318,941.01 = 199,636.26 : x
  2. Step 2: Convert to fraction form
    212,627.04/318,941.01 = 199,636.26/x
  3. Step 3: Cross multiply
    212,627.04x = 318,941.01 × 199,636.26
  4. Step 4: Simplify right side
    212,627.04x = 63,672,190,397.02
  5. Step 5: Solve for x
    x = 63,672,190,397.02/212,627.04
  6. Step 6: Final answer
    x = 299,454.81

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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.