Finding the Fourth Proportional to 411,246.26, 616,631.95 and 126,860.45
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Solution
The fourth proportional to 411,246.26, 616,631.95 and 126,860.45 is: 190,217.43
Step by Step Solution
- Step 1: Write the proportion equation
411,246.26 : 616,631.95 = 126,860.45 : x - Step 2: Convert to fraction form
411,246.26/616,631.95 = 126,860.45/x - Step 3: Cross multiply
411,246.26x = 616,631.95 × 126,860.45 - Step 4: Simplify right side
411,246.26x = 78,226,204,413.11 - Step 5: Solve for x
x = 78,226,204,413.11/411,246.26 - Step 6: Final answer
x = 190,217.43
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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.