Home / 340,721.60-470,189.45-187,773.95

Finding the Fourth Proportional to 340,721.60, 470,189.45 and 187,773.95

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Solution

The fourth proportional to 340,721.60, 470,189.45 and 187,773.95 is: 259,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,721.60 : 470,189.45 = 187,773.95 : x
  2. Step 2: Convert to fraction form
    340,721.60/470,189.45 = 187,773.95/x
  3. Step 3: Cross multiply
    340,721.60x = 470,189.45 × 187,773.95
  4. Step 4: Simplify right side
    340,721.60x = 88,289,326,985.01
  5. Step 5: Solve for x
    x = 88,289,326,985.01/340,721.60
  6. Step 6: Final answer
    x = 259,124.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.