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Finding the Fourth Proportional to 219,941.76, 303,519.48 and 119,339.76

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Solution

The fourth proportional to 219,941.76, 303,519.48 and 119,339.76 is: 164,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,941.76 : 303,519.48 = 119,339.76 : x
  2. Step 2: Convert to fraction form
    219,941.76/303,519.48 = 119,339.76/x
  3. Step 3: Cross multiply
    219,941.76x = 303,519.48 × 119,339.76
  4. Step 4: Simplify right side
    219,941.76x = 36,221,941,898.52
  5. Step 5: Solve for x
    x = 36,221,941,898.52/219,941.76
  6. Step 6: Final answer
    x = 164,688.79

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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.