Home / 219,456.34-302,846.12-122,662.46

Finding the Fourth Proportional to 219,456.34, 302,846.12 and 122,662.46

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Solution

The fourth proportional to 219,456.34, 302,846.12 and 122,662.46 is: 169,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,456.34 : 302,846.12 = 122,662.46 : x
  2. Step 2: Convert to fraction form
    219,456.34/302,846.12 = 122,662.46/x
  3. Step 3: Cross multiply
    219,456.34x = 302,846.12 × 122,662.46
  4. Step 4: Simplify right side
    219,456.34x = 37,147,850,080.66
  5. Step 5: Solve for x
    x = 37,147,850,080.66/219,456.34
  6. Step 6: Final answer
    x = 169,272.17

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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.