Home / 340,788.90-470,291.88-187,832.58

Finding the Fourth Proportional to 340,788.90, 470,291.88 and 187,832.58

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Solution

The fourth proportional to 340,788.90, 470,291.88 and 187,832.58 is: 259,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,788.90 : 470,291.88 = 187,832.58 : x
  2. Step 2: Convert to fraction form
    340,788.90/470,291.88 = 187,832.58/x
  3. Step 3: Cross multiply
    340,788.90x = 470,291.88 × 187,832.58
  4. Step 4: Simplify right side
    340,788.90x = 88,336,137,173.45
  5. Step 5: Solve for x
    x = 88,336,137,173.45/340,788.90
  6. Step 6: Final answer
    x = 259,210.72

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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.