Home / 219,208.52-302,490.34-134,313.96

Finding the Fourth Proportional to 219,208.52, 302,490.34 and 134,313.96

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Solution

The fourth proportional to 219,208.52, 302,490.34 and 134,313.96 is: 185,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208.52 : 302,490.34 = 134,313.96 : x
  2. Step 2: Convert to fraction form
    219,208.52/302,490.34 = 134,313.96/x
  3. Step 3: Cross multiply
    219,208.52x = 302,490.34 × 134,313.96
  4. Step 4: Simplify right side
    219,208.52x = 40,628,675,427.15
  5. Step 5: Solve for x
    x = 40,628,675,427.15/219,208.52
  6. Step 6: Final answer
    x = 185,342.59

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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.