Home / 395,254.20-592,975.78-129,015.22

Finding the Fourth Proportional to 395,254.20, 592,975.78 and 129,015.22

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Solution

The fourth proportional to 395,254.20, 592,975.78 and 129,015.22 is: 193,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,254.20 : 592,975.78 = 129,015.22 : x
  2. Step 2: Convert to fraction form
    395,254.20/592,975.78 = 129,015.22/x
  3. Step 3: Cross multiply
    395,254.20x = 592,975.78 × 129,015.22
  4. Step 4: Simplify right side
    395,254.20x = 76,502,900,711.37
  5. Step 5: Solve for x
    x = 76,502,900,711.37/395,254.20
  6. Step 6: Final answer
    x = 193,553.67

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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.