Home / 342,455.04-513,784.32-164,910.72

Finding the Fourth Proportional to 342,455.04, 513,784.32 and 164,910.72

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Solution

The fourth proportional to 342,455.04, 513,784.32 and 164,910.72 is: 247,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,455.04 : 513,784.32 = 164,910.72 : x
  2. Step 2: Convert to fraction form
    342,455.04/513,784.32 = 164,910.72/x
  3. Step 3: Cross multiply
    342,455.04x = 513,784.32 × 164,910.72
  4. Step 4: Simplify right side
    342,455.04x = 84,728,542,135.91
  5. Step 5: Solve for x
    x = 84,728,542,135.91/342,455.04
  6. Step 6: Final answer
    x = 247,415.08

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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.