Home / 389,272.42-537,196.04-219,506.59

Finding the Fourth Proportional to 389,272.42, 537,196.04 and 219,506.59

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Solution

The fourth proportional to 389,272.42, 537,196.04 and 219,506.59 is: 302,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,272.42 : 537,196.04 = 219,506.59 : x
  2. Step 2: Convert to fraction form
    389,272.42/537,196.04 = 219,506.59/x
  3. Step 3: Cross multiply
    389,272.42x = 537,196.04 × 219,506.59
  4. Step 4: Simplify right side
    389,272.42x = 117,918,070,901.90
  5. Step 5: Solve for x
    x = 117,918,070,901.90/389,272.42
  6. Step 6: Final answer
    x = 302,919.15

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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.