Finding the Fourth Proportional to 476,000.42, 656,938.72 and 272,059.93
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Solution
The fourth proportional to 476,000.42, 656,938.72 and 272,059.93 is: 375,475.94
Step by Step Solution
- Step 1: Write the proportion equation
476,000.42 : 656,938.72 = 272,059.93 : x - Step 2: Convert to fraction form
476,000.42/656,938.72 = 272,059.93/x - Step 3: Cross multiply
476,000.42x = 656,938.72 × 272,059.93 - Step 4: Simplify right side
476,000.42x = 178,726,703,338.74 - Step 5: Solve for x
x = 178,726,703,338.74/476,000.42 - Step 6: Final answer
x = 375,475.94
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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.