Finding the Fourth Proportional to 849,875.24, 1,274,890.78 and 218,791.08
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Solution
The fourth proportional to 849,875.24, 1,274,890.78 and 218,791.08 is: 328,206.68
Step by Step Solution
- Step 1: Write the proportion equation
849,875.24 : 1,274,890.78 = 218,791.08 : x - Step 2: Convert to fraction form
849,875.24/1,274,890.78 = 218,791.08/x - Step 3: Cross multiply
849,875.24x = 1,274,890.78 × 218,791.08 - Step 4: Simplify right side
849,875.24x = 278,934,730,638.24 - Step 5: Solve for x
x = 278,934,730,638.24/849,875.24 - Step 6: Final answer
x = 328,206.68
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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.