Home / 389,567.46-584,277.38-136,788.53

Finding the Fourth Proportional to 389,567.46, 584,277.38 and 136,788.53

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Solution

The fourth proportional to 389,567.46, 584,277.38 and 136,788.53 is: 205,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,567.46 : 584,277.38 = 136,788.53 : x
  2. Step 2: Convert to fraction form
    389,567.46/584,277.38 = 136,788.53/x
  3. Step 3: Cross multiply
    389,567.46x = 584,277.38 × 136,788.53
  4. Step 4: Simplify right side
    389,567.46x = 79,922,440,317.12
  5. Step 5: Solve for x
    x = 79,922,440,317.12/389,567.46
  6. Step 6: Final answer
    x = 205,156.87

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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.