Finding the Fourth Proportional to 298,425.42, 447,506.79 and 158,151.18
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Solution
The fourth proportional to 298,425.42, 447,506.79 and 158,151.18 is: 237,157.17
Step by Step Solution
- Step 1: Write the proportion equation
298,425.42 : 447,506.79 = 158,151.18 : x - Step 2: Convert to fraction form
298,425.42/447,506.79 = 158,151.18/x - Step 3: Cross multiply
298,425.42x = 447,506.79 × 158,151.18 - Step 4: Simplify right side
298,425.42x = 70,773,726,896.51 - Step 5: Solve for x
x = 70,773,726,896.51/298,425.42 - Step 6: Final answer
x = 237,157.17
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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.