Home / 340,302.08-510,768.55-171,940.73

Finding the Fourth Proportional to 340,302.08, 510,768.55 and 171,940.73

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Solution

The fourth proportional to 340,302.08, 510,768.55 and 171,940.73 is: 258,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,302.08 : 510,768.55 = 171,940.73 : x
  2. Step 2: Convert to fraction form
    340,302.08/510,768.55 = 171,940.73/x
  3. Step 3: Cross multiply
    340,302.08x = 510,768.55 × 171,940.73
  4. Step 4: Simplify right side
    340,302.08x = 87,821,916,488.34
  5. Step 5: Solve for x
    x = 87,821,916,488.34/340,302.08
  6. Step 6: Final answer
    x = 258,070.47

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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.