Finding the Fourth Proportional to 239,616.75, 330,671.12 and 133,632.75
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Solution
The fourth proportional to 239,616.75, 330,671.12 and 133,632.75 is: 184,413.20
Step by Step Solution
- Step 1: Write the proportion equation
239,616.75 : 330,671.12 = 133,632.75 : x - Step 2: Convert to fraction form
239,616.75/330,671.12 = 133,632.75/x - Step 3: Cross multiply
239,616.75x = 330,671.12 × 133,632.75 - Step 4: Simplify right side
239,616.75x = 44,188,490,443.02 - Step 5: Solve for x
x = 44,188,490,443.02/239,616.75 - Step 6: Final answer
x = 184,413.20
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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.