Home / 281,749.85-422,490.98-163,457.45

Finding the Fourth Proportional to 281,749.85, 422,490.98 and 163,457.45

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Solution

The fourth proportional to 281,749.85, 422,490.98 and 163,457.45 is: 245,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,749.85 : 422,490.98 = 163,457.45 : x
  2. Step 2: Convert to fraction form
    281,749.85/422,490.98 = 163,457.45/x
  3. Step 3: Cross multiply
    281,749.85x = 422,490.98 × 163,457.45
  4. Step 4: Simplify right side
    281,749.85x = 69,059,298,238.80
  5. Step 5: Solve for x
    x = 69,059,298,238.80/281,749.85
  6. Step 6: Final answer
    x = 245,108.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.