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Finding the Fourth Proportional to 219,607.32, 303,058.20 and 119,005.32

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Solution

The fourth proportional to 219,607.32, 303,058.20 and 119,005.32 is: 164,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,607.32 : 303,058.20 = 119,005.32 : x
  2. Step 2: Convert to fraction form
    219,607.32/303,058.20 = 119,005.32/x
  3. Step 3: Cross multiply
    219,607.32x = 303,058.20 × 119,005.32
  4. Step 4: Simplify right side
    219,607.32x = 36,065,538,069.62
  5. Step 5: Solve for x
    x = 36,065,538,069.62/219,607.32
  6. Step 6: Final answer
    x = 164,227.39

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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.