Home / 220,440.27-304,235.72-129,804.67

Finding the Fourth Proportional to 220,440.27, 304,235.72 and 129,804.67

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Solution

The fourth proportional to 220,440.27, 304,235.72 and 129,804.67 is: 179,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,440.27 : 304,235.72 = 129,804.67 : x
  2. Step 2: Convert to fraction form
    220,440.27/304,235.72 = 129,804.67/x
  3. Step 3: Cross multiply
    220,440.27x = 304,235.72 × 129,804.67
  4. Step 4: Simplify right side
    220,440.27x = 39,491,216,587.79
  5. Step 5: Solve for x
    x = 39,491,216,587.79/220,440.27
  6. Step 6: Final answer
    x = 179,147.01

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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.