Home / 389,275.47-583,404.53-199,575.09

Finding the Fourth Proportional to 389,275.47, 583,404.53 and 199,575.09

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Solution

The fourth proportional to 389,275.47, 583,404.53 and 199,575.09 is: 299,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,275.47 : 583,404.53 = 199,575.09 : x
  2. Step 2: Convert to fraction form
    389,275.47/583,404.53 = 199,575.09/x
  3. Step 3: Cross multiply
    389,275.47x = 583,404.53 × 199,575.09
  4. Step 4: Simplify right side
    389,275.47x = 116,433,010,583.28
  5. Step 5: Solve for x
    x = 116,433,010,583.28/389,275.47
  6. Step 6: Final answer
    x = 299,101.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.