Home / 217,328.92-326,039.46-67,565.56

Finding the Fourth Proportional to 217,328.92, 326,039.46 and 67,565.56

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Solution

The fourth proportional to 217,328.92, 326,039.46 and 67,565.56 is: 101,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,328.92 : 326,039.46 = 67,565.56 : x
  2. Step 2: Convert to fraction form
    217,328.92/326,039.46 = 67,565.56/x
  3. Step 3: Cross multiply
    217,328.92x = 326,039.46 × 67,565.56
  4. Step 4: Simplify right side
    217,328.92x = 22,029,038,697.00
  5. Step 5: Solve for x
    x = 22,029,038,697.00/217,328.92
  6. Step 6: Final answer
    x = 101,362.67

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1.5x scale

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.