Home / 217,835.86-300,598.68-122,351.44

Finding the Fourth Proportional to 217,835.86, 300,598.68 and 122,351.44

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Solution

The fourth proportional to 217,835.86, 300,598.68 and 122,351.44 is: 168,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,835.86 : 300,598.68 = 122,351.44 : x
  2. Step 2: Convert to fraction form
    217,835.86/300,598.68 = 122,351.44/x
  3. Step 3: Cross multiply
    217,835.86x = 300,598.68 × 122,351.44
  4. Step 4: Simplify right side
    217,835.86x = 36,778,681,360.10
  5. Step 5: Solve for x
    x = 36,778,681,360.10/217,835.86
  6. Step 6: Final answer
    x = 168,836.67

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1.5x scale

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.