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Finding the Fourth Proportional to 219,803, 303,328.32 and 119,201

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Solution

The fourth proportional to 219,803, 303,328.32 and 119,201 is: 164,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,803 : 303,328.32 = 119,201 : x
  2. Step 2: Convert to fraction form
    219,803/303,328.32 = 119,201/x
  3. Step 3: Cross multiply
    219,803x = 303,328.32 × 119,201
  4. Step 4: Simplify right side
    219,803x = 36,157,039,072.32
  5. Step 5: Solve for x
    x = 36,157,039,072.32/219,803
  6. Step 6: Final answer
    x = 164,497.48

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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.