Home / 389,271.66-537,213.29-219,502.14

Finding the Fourth Proportional to 389,271.66, 537,213.29 and 219,502.14

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Solution

The fourth proportional to 389,271.66, 537,213.29 and 219,502.14 is: 302,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,271.66 : 537,213.29 = 219,502.14 : x
  2. Step 2: Convert to fraction form
    389,271.66/537,213.29 = 219,502.14/x
  3. Step 3: Cross multiply
    389,271.66x = 537,213.29 × 219,502.14
  4. Step 4: Simplify right side
    389,271.66x = 117,919,466,791.44
  5. Step 5: Solve for x
    x = 117,919,466,791.44/389,271.66
  6. Step 6: Final answer
    x = 302,923.33

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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.