Finding the Fourth Proportional to 516,229.20, 774,356.76 and 249,940.08
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Solution
The fourth proportional to 516,229.20, 774,356.76 and 249,940.08 is: 374,916.39
Step by Step Solution
- Step 1: Write the proportion equation
516,229.20 : 774,356.76 = 249,940.08 : x - Step 2: Convert to fraction form
516,229.20/774,356.76 = 249,940.08/x - Step 3: Cross multiply
516,229.20x = 774,356.76 × 249,940.08 - Step 4: Simplify right side
516,229.20x = 193,542,790,542.94 - Step 5: Solve for x
x = 193,542,790,542.94/516,229.20 - Step 6: Final answer
x = 374,916.39
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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.