Finding the Fourth Proportional to 431,413.84, 647,329.88 and 175,240.08
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Solution
The fourth proportional to 431,413.84, 647,329.88 and 175,240.08 is: 262,945.06
Step by Step Solution
- Step 1: Write the proportion equation
431,413.84 : 647,329.88 = 175,240.08 : x - Step 2: Convert to fraction form
431,413.84/647,329.88 = 175,240.08/x - Step 3: Cross multiply
431,413.84x = 647,329.88 × 175,240.08 - Step 4: Simplify right side
431,413.84x = 113,438,139,957.59 - Step 5: Solve for x
x = 113,438,139,957.59/431,413.84 - Step 6: Final answer
x = 262,945.06
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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.