Finding the Fourth Proportional to 487,292.61, 731,602.08 and 274,211.08
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Solution
The fourth proportional to 487,292.61, 731,602.08 and 274,211.08 is: 411,689.79
Step by Step Solution
- Step 1: Write the proportion equation
487,292.61 : 731,602.08 = 274,211.08 : x - Step 2: Convert to fraction form
487,292.61/731,602.08 = 274,211.08/x - Step 3: Cross multiply
487,292.61x = 731,602.08 × 274,211.08 - Step 4: Simplify right side
487,292.61x = 200,613,394,658.04 - Step 5: Solve for x
x = 200,613,394,658.04/487,292.61 - Step 6: Final answer
x = 411,689.79
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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.