Home / 343,717.26-515,452.85-119,017.35

Finding the Fourth Proportional to 343,717.26, 515,452.85 and 119,017.35

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Solution

The fourth proportional to 343,717.26, 515,452.85 and 119,017.35 is: 178,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,717.26 : 515,452.85 = 119,017.35 : x
  2. Step 2: Convert to fraction form
    343,717.26/515,452.85 = 119,017.35/x
  3. Step 3: Cross multiply
    343,717.26x = 515,452.85 × 119,017.35
  4. Step 4: Simplify right side
    343,717.26x = 61,347,831,661.86
  5. Step 5: Solve for x
    x = 61,347,831,661.86/343,717.26
  6. Step 6: Final answer
    x = 178,483.42

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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.