Finding the Fourth Proportional to 163,325.07, 225,413.01 and 99,699.84
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Solution
The fourth proportional to 163,325.07, 225,413.01 and 99,699.84 is: 137,600.68
Step by Step Solution
- Step 1: Write the proportion equation
163,325.07 : 225,413.01 = 99,699.84 : x - Step 2: Convert to fraction form
163,325.07/225,413.01 = 99,699.84/x - Step 3: Cross multiply
163,325.07x = 225,413.01 × 99,699.84 - Step 4: Simplify right side
163,325.07x = 22,473,641,030.92 - Step 5: Solve for x
x = 22,473,641,030.92/163,325.07 - Step 6: Final answer
x = 137,600.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.