Home / 245,720.60-339,199.04-165,194.81

Finding the Fourth Proportional to 245,720.60, 339,199.04 and 165,194.81

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Solution

The fourth proportional to 245,720.60, 339,199.04 and 165,194.81 is: 228,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,720.60 : 339,199.04 = 165,194.81 : x
  2. Step 2: Convert to fraction form
    245,720.60/339,199.04 = 165,194.81/x
  3. Step 3: Cross multiply
    245,720.60x = 339,199.04 × 165,194.81
  4. Step 4: Simplify right side
    245,720.60x = 56,033,920,987.01
  5. Step 5: Solve for x
    x = 56,033,920,987.01/245,720.60
  6. Step 6: Final answer
    x = 228,039.17

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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.