Finding the Fourth Proportional to 522,517.04, 721,140.21 and 307,677.02
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Solution
The fourth proportional to 522,517.04, 721,140.21 and 307,677.02 is: 424,633.56
Step by Step Solution
- Step 1: Write the proportion equation
522,517.04 : 721,140.21 = 307,677.02 : x - Step 2: Convert to fraction form
522,517.04/721,140.21 = 307,677.02/x - Step 3: Cross multiply
522,517.04x = 721,140.21 × 307,677.02 - Step 4: Simplify right side
522,517.04x = 221,878,270,814.97 - Step 5: Solve for x
x = 221,878,270,814.97/522,517.04 - Step 6: Final answer
x = 424,633.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.