Finding the Fourth Proportional to 327,990.16, 492,140.76 and 195,132.88
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Solution
The fourth proportional to 327,990.16, 492,140.76 and 195,132.88 is: 292,791.84
Step by Step Solution
- Step 1: Write the proportion equation
327,990.16 : 492,140.76 = 195,132.88 : x - Step 2: Convert to fraction form
327,990.16/492,140.76 = 195,132.88/x - Step 3: Cross multiply
327,990.16x = 492,140.76 × 195,132.88 - Step 4: Simplify right side
327,990.16x = 96,032,843,864.19 - Step 5: Solve for x
x = 96,032,843,864.19/327,990.16 - Step 6: Final answer
x = 292,791.84
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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.