Home / 218,961.63-302,248.94-170,467.47

Finding the Fourth Proportional to 218,961.63, 302,248.94 and 170,467.47

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Solution

The fourth proportional to 218,961.63, 302,248.94 and 170,467.47 is: 235,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,961.63 : 302,248.94 = 170,467.47 : x
  2. Step 2: Convert to fraction form
    218,961.63/302,248.94 = 170,467.47/x
  3. Step 3: Cross multiply
    218,961.63x = 302,248.94 × 170,467.47
  4. Step 4: Simplify right side
    218,961.63x = 51,523,611,259.64
  5. Step 5: Solve for x
    x = 51,523,611,259.64/218,961.63
  6. Step 6: Final answer
    x = 235,308.86

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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.