Finding the Fourth Proportional to 877,045.97, 1,315,569.01 and 212,197.97
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Solution
The fourth proportional to 877,045.97, 1,315,569.01 and 212,197.97 is: 318,296.97
Step by Step Solution
- Step 1: Write the proportion equation
877,045.97 : 1,315,569.01 = 212,197.97 : x - Step 2: Convert to fraction form
877,045.97/1,315,569.01 = 212,197.97/x - Step 3: Cross multiply
877,045.97x = 1,315,569.01 × 212,197.97 - Step 4: Simplify right side
877,045.97x = 279,161,072,255.92 - Step 5: Solve for x
x = 279,161,072,255.92/877,045.97 - Step 6: Final answer
x = 318,296.97
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1.5x scale
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.