Finding the Fourth Proportional to 397,030.62, 547,905.27 and 215,743.53
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Solution
The fourth proportional to 397,030.62, 547,905.27 and 215,743.53 is: 297,727.70
Step by Step Solution
- Step 1: Write the proportion equation
397,030.62 : 547,905.27 = 215,743.53 : x - Step 2: Convert to fraction form
397,030.62/547,905.27 = 215,743.53/x - Step 3: Cross multiply
397,030.62x = 547,905.27 × 215,743.53 - Step 4: Simplify right side
397,030.62x = 118,207,013,237.16 - Step 5: Solve for x
x = 118,207,013,237.16/397,030.62 - Step 6: Final answer
x = 297,727.70
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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.