Finding the Fourth Proportional to 745,102.08, 1,117,841.76 and 212,625
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Solution
The fourth proportional to 745,102.08, 1,117,841.76 and 212,625 is: 318,991.33
Step by Step Solution
- Step 1: Write the proportion equation
745,102.08 : 1,117,841.76 = 212,625 : x - Step 2: Convert to fraction form
745,102.08/1,117,841.76 = 212,625/x - Step 3: Cross multiply
745,102.08x = 1,117,841.76 × 212,625 - Step 4: Simplify right side
745,102.08x = 237,681,104,220 - Step 5: Solve for x
x = 237,681,104,220/745,102.08 - Step 6: Final answer
x = 318,991.33
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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.