Home / 389,544.71-584,338.32-123,285.35

Finding the Fourth Proportional to 389,544.71, 584,338.32 and 123,285.35

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Solution

The fourth proportional to 389,544.71, 584,338.32 and 123,285.35 is: 184,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,544.71 : 584,338.32 = 123,285.35 : x
  2. Step 2: Convert to fraction form
    389,544.71/584,338.32 = 123,285.35/x
  3. Step 3: Cross multiply
    389,544.71x = 584,338.32 × 123,285.35
  4. Step 4: Simplify right side
    389,544.71x = 72,040,355,760.46
  5. Step 5: Solve for x
    x = 72,040,355,760.46/389,544.71
  6. Step 6: Final answer
    x = 184,934.76

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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.