Finding the Fourth Proportional to 427,102.18, 589,413.34 and 236,127.88
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Solution
The fourth proportional to 427,102.18, 589,413.34 and 236,127.88 is: 325,863.28
Step by Step Solution
- Step 1: Write the proportion equation
427,102.18 : 589,413.34 = 236,127.88 : x - Step 2: Convert to fraction form
427,102.18/589,413.34 = 236,127.88/x - Step 3: Cross multiply
427,102.18x = 589,413.34 × 236,127.88 - Step 4: Simplify right side
427,102.18x = 139,176,920,134.40 - Step 5: Solve for x
x = 139,176,920,134.40/427,102.18 - Step 6: Final answer
x = 325,863.28
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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.