Finding the Fourth Proportional to 380,413.13, 524,966.33 and 205,982.49
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Solution
The fourth proportional to 380,413.13, 524,966.33 and 205,982.49 is: 284,253.79
Step by Step Solution
- Step 1: Write the proportion equation
380,413.13 : 524,966.33 = 205,982.49 : x - Step 2: Convert to fraction form
380,413.13/524,966.33 = 205,982.49/x - Step 3: Cross multiply
380,413.13x = 524,966.33 × 205,982.49 - Step 4: Simplify right side
380,413.13x = 108,133,874,303.14 - Step 5: Solve for x
x = 108,133,874,303.14/380,413.13 - Step 6: Final answer
x = 284,253.79
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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.