Finding the Fourth Proportional to 487,293.61, 731,603.58 and 274,212.08
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Solution
The fourth proportional to 487,293.61, 731,603.58 and 274,212.08 is: 411,691.30
Step by Step Solution
- Step 1: Write the proportion equation
487,293.61 : 731,603.58 = 274,212.08 : x - Step 2: Convert to fraction form
487,293.61/731,603.58 = 274,212.08/x - Step 3: Cross multiply
487,293.61x = 731,603.58 × 274,212.08 - Step 4: Simplify right side
487,293.61x = 200,614,539,407.25 - Step 5: Solve for x
x = 200,614,539,407.25/487,293.61 - Step 6: Final answer
x = 411,691.30
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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.