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Finding the Fourth Proportional to 219,313.76, 302,653.44 and 118,711.76

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Solution

The fourth proportional to 219,313.76, 302,653.44 and 118,711.76 is: 163,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,313.76 : 302,653.44 = 118,711.76 : x
  2. Step 2: Convert to fraction form
    219,313.76/302,653.44 = 118,711.76/x
  3. Step 3: Cross multiply
    219,313.76x = 302,653.44 × 118,711.76
  4. Step 4: Simplify right side
    219,313.76x = 35,928,522,532.45
  5. Step 5: Solve for x
    x = 35,928,522,532.45/219,313.76
  6. Step 6: Final answer
    x = 163,822.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.