Home / 219,316.20-328,196.70-149,332.20

Finding the Fourth Proportional to 219,316.20, 328,196.70 and 149,332.20

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Solution

The fourth proportional to 219,316.20, 328,196.70 and 149,332.20 is: 223,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316.20 : 328,196.70 = 149,332.20 : x
  2. Step 2: Convert to fraction form
    219,316.20/328,196.70 = 149,332.20/x
  3. Step 3: Cross multiply
    219,316.20x = 328,196.70 × 149,332.20
  4. Step 4: Simplify right side
    219,316.20x = 49,010,335,243.74
  5. Step 5: Solve for x
    x = 49,010,335,243.74/219,316.20
  6. Step 6: Final answer
    x = 223,468.83

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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.