Finding the Fourth Proportional to 762,393.88, 1,143,631.86 and 201,413.08
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Solution
The fourth proportional to 762,393.88, 1,143,631.86 and 201,413.08 is: 302,130.46
Step by Step Solution
- Step 1: Write the proportion equation
762,393.88 : 1,143,631.86 = 201,413.08 : x - Step 2: Convert to fraction form
762,393.88/1,143,631.86 = 201,413.08/x - Step 3: Cross multiply
762,393.88x = 1,143,631.86 × 201,413.08 - Step 4: Simplify right side
762,393.88x = 230,342,415,308.73 - Step 5: Solve for x
x = 230,342,415,308.73/762,393.88 - Step 6: Final answer
x = 302,130.46
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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.