Home / 289,302.28-399,266.22-166,797.88

Finding the Fourth Proportional to 289,302.28, 399,266.22 and 166,797.88

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Solution

The fourth proportional to 289,302.28, 399,266.22 and 166,797.88 is: 230,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,302.28 : 399,266.22 = 166,797.88 : x
  2. Step 2: Convert to fraction form
    289,302.28/399,266.22 = 166,797.88/x
  3. Step 3: Cross multiply
    289,302.28x = 399,266.22 × 166,797.88
  4. Step 4: Simplify right side
    289,302.28x = 66,596,759,051.61
  5. Step 5: Solve for x
    x = 66,596,759,051.61/289,302.28
  6. Step 6: Final answer
    x = 230,197.84

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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.