Home / 389,274.03-537,216.57-219,504.51

Finding the Fourth Proportional to 389,274.03, 537,216.57 and 219,504.51

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Solution

The fourth proportional to 389,274.03, 537,216.57 and 219,504.51 is: 302,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,274.03 : 537,216.57 = 219,504.51 : x
  2. Step 2: Convert to fraction form
    389,274.03/537,216.57 = 219,504.51/x
  3. Step 3: Cross multiply
    389,274.03x = 537,216.57 × 219,504.51
  4. Step 4: Simplify right side
    389,274.03x = 117,921,459,961.73
  5. Step 5: Solve for x
    x = 117,921,459,961.73/389,274.03
  6. Step 6: Final answer
    x = 302,926.60

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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.