Finding the Fourth Proportional to 485,402.08, 727,531.26 and 218,850.52
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Solution
The fourth proportional to 485,402.08, 727,531.26 and 218,850.52 is: 328,017.95
Step by Step Solution
- Step 1: Write the proportion equation
485,402.08 : 727,531.26 = 218,850.52 : x - Step 2: Convert to fraction form
485,402.08/727,531.26 = 218,850.52/x - Step 3: Cross multiply
485,402.08x = 727,531.26 × 218,850.52 - Step 4: Simplify right side
485,402.08x = 159,220,594,567.26 - Step 5: Solve for x
x = 159,220,594,567.26/485,402.08 - Step 6: Final answer
x = 328,017.95
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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.