Home / 389,513.08-584,211.04-123,238.95

Finding the Fourth Proportional to 389,513.08, 584,211.04 and 123,238.95

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Solution

The fourth proportional to 389,513.08, 584,211.04 and 123,238.95 is: 184,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,513.08 : 584,211.04 = 123,238.95 : x
  2. Step 2: Convert to fraction form
    389,513.08/584,211.04 = 123,238.95/x
  3. Step 3: Cross multiply
    389,513.08x = 584,211.04 × 123,238.95
  4. Step 4: Simplify right side
    389,513.08x = 71,997,555,148.01
  5. Step 5: Solve for x
    x = 71,997,555,148.01/389,513.08
  6. Step 6: Final answer
    x = 184,839.89

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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.