Finding the Fourth Proportional to 292,542.27, 438,813.41 and 102,957.99
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Solution
The fourth proportional to 292,542.27, 438,813.41 and 102,957.99 is: 154,436.99
Step by Step Solution
- Step 1: Write the proportion equation
292,542.27 : 438,813.41 = 102,957.99 : x - Step 2: Convert to fraction form
292,542.27/438,813.41 = 102,957.99/x - Step 3: Cross multiply
292,542.27x = 438,813.41 × 102,957.99 - Step 4: Simplify right side
292,542.27x = 45,179,346,163.86 - Step 5: Solve for x
x = 45,179,346,163.86/292,542.27 - Step 6: Final answer
x = 154,436.99
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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.