Finding the Fourth Proportional to 228,015.84, 314,661.36 and 127,413.84
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Solution
The fourth proportional to 228,015.84, 314,661.36 and 127,413.84 is: 175,830.82
Step by Step Solution
- Step 1: Write the proportion equation
228,015.84 : 314,661.36 = 127,413.84 : x - Step 2: Convert to fraction form
228,015.84/314,661.36 = 127,413.84/x - Step 3: Cross multiply
228,015.84x = 314,661.36 × 127,413.84 - Step 4: Simplify right side
228,015.84x = 40,092,212,177.22 - Step 5: Solve for x
x = 40,092,212,177.22/228,015.84 - Step 6: Final answer
x = 175,830.82
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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.