Finding the Fourth Proportional to 245,413.84, 368,120.58 and 79,201.84
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Solution
The fourth proportional to 245,413.84, 368,120.58 and 79,201.84 is: 118,802.70
Step by Step Solution
- Step 1: Write the proportion equation
245,413.84 : 368,120.58 = 79,201.84 : x - Step 2: Convert to fraction form
245,413.84/368,120.58 = 79,201.84/x - Step 3: Cross multiply
245,413.84x = 368,120.58 × 79,201.84 - Step 4: Simplify right side
245,413.84x = 29,155,827,277.87 - Step 5: Solve for x
x = 29,155,827,277.87/245,413.84 - Step 6: Final answer
x = 118,802.70
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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.