Home / 389,512.83-584,210.67-123,238.70

Finding the Fourth Proportional to 389,512.83, 584,210.67 and 123,238.70

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Solution

The fourth proportional to 389,512.83, 584,210.67 and 123,238.70 is: 184,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,512.83 : 584,210.67 = 123,238.70 : x
  2. Step 2: Convert to fraction form
    389,512.83/584,210.67 = 123,238.70/x
  3. Step 3: Cross multiply
    389,512.83x = 584,210.67 × 123,238.70
  4. Step 4: Simplify right side
    389,512.83x = 71,997,363,496.93
  5. Step 5: Solve for x
    x = 71,997,363,496.93/389,512.83
  6. Step 6: Final answer
    x = 184,839.52

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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.