Home / 260,260.34-390,447.96-110,628.50

Finding the Fourth Proportional to 260,260.34, 390,447.96 and 110,628.50

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Solution

The fourth proportional to 260,260.34, 390,447.96 and 110,628.50 is: 165,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,260.34 : 390,447.96 = 110,628.50 : x
  2. Step 2: Convert to fraction form
    260,260.34/390,447.96 = 110,628.50/x
  3. Step 3: Cross multiply
    260,260.34x = 390,447.96 × 110,628.50
  4. Step 4: Simplify right side
    260,260.34x = 43,194,672,142.86
  5. Step 5: Solve for x
    x = 43,194,672,142.86/260,260.34
  6. Step 6: Final answer
    x = 165,967.17

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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.