Finding the Fourth Proportional to 422,413.88, 633,554.58 and 138,102.44
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Solution
The fourth proportional to 422,413.88, 633,554.58 and 138,102.44 is: 207,132.00
Step by Step Solution
- Step 1: Write the proportion equation
422,413.88 : 633,554.58 = 138,102.44 : x - Step 2: Convert to fraction form
422,413.88/633,554.58 = 138,102.44/x - Step 3: Cross multiply
422,413.88x = 633,554.58 × 138,102.44 - Step 4: Simplify right side
422,413.88x = 87,495,433,371.18 - Step 5: Solve for x
x = 87,495,433,371.18/422,413.88 - Step 6: Final answer
x = 207,132.00
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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.