Finding the Fourth Proportional to 368,318.80, 552,186.60 and 202,106.80
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Solution
The fourth proportional to 368,318.80, 552,186.60 and 202,106.80 is: 303,000.19
Step by Step Solution
- Step 1: Write the proportion equation
368,318.80 : 552,186.60 = 202,106.80 : x - Step 2: Convert to fraction form
368,318.80/552,186.60 = 202,106.80/x - Step 3: Cross multiply
368,318.80x = 552,186.60 × 202,106.80 - Step 4: Simplify right side
368,318.80x = 111,600,666,728.88 - Step 5: Solve for x
x = 111,600,666,728.88/368,318.80 - Step 6: Final answer
x = 303,000.19
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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.