Home / 219,012.18-329,071.86-210,154.86

Finding the Fourth Proportional to 219,012.18, 329,071.86 and 210,154.86

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Solution

The fourth proportional to 219,012.18, 329,071.86 and 210,154.86 is: 315,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,012.18 : 329,071.86 = 210,154.86 : x
  2. Step 2: Convert to fraction form
    219,012.18/329,071.86 = 210,154.86/x
  3. Step 3: Cross multiply
    219,012.18x = 329,071.86 × 210,154.86
  4. Step 4: Simplify right side
    219,012.18x = 69,156,050,668.24
  5. Step 5: Solve for x
    x = 69,156,050,668.24/219,012.18
  6. Step 6: Final answer
    x = 315,763.49

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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.