Home / 342,322.20-472,368.30-189,336.06

Finding the Fourth Proportional to 342,322.20, 472,368.30 and 189,336.06

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Solution

The fourth proportional to 342,322.20, 472,368.30 and 189,336.06 is: 261,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,322.20 : 472,368.30 = 189,336.06 : x
  2. Step 2: Convert to fraction form
    342,322.20/472,368.30 = 189,336.06/x
  3. Step 3: Cross multiply
    342,322.20x = 472,368.30 × 189,336.06
  4. Step 4: Simplify right side
    342,322.20x = 89,436,352,790.90
  5. Step 5: Solve for x
    x = 89,436,352,790.90/342,322.20
  6. Step 6: Final answer
    x = 261,263.67

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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.