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Finding the Fourth Proportional to 220,523.58, 304,493.94 and 169,455.83

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Solution

The fourth proportional to 220,523.58, 304,493.94 and 169,455.83 is: 233,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,523.58 : 304,493.94 = 169,455.83 : x
  2. Step 2: Convert to fraction form
    220,523.58/304,493.94 = 169,455.83/x
  3. Step 3: Cross multiply
    220,523.58x = 304,493.94 × 169,455.83
  4. Step 4: Simplify right side
    220,523.58x = 51,598,271,810.20
  5. Step 5: Solve for x
    x = 51,598,271,810.20/220,523.58
  6. Step 6: Final answer
    x = 233,980.75

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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.