Finding the Fourth Proportional to 292,486.86, 438,643.11 and 124,004.49
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Solution
The fourth proportional to 292,486.86, 438,643.11 and 124,004.49 is: 185,969.77
Step by Step Solution
- Step 1: Write the proportion equation
292,486.86 : 438,643.11 = 124,004.49 : x - Step 2: Convert to fraction form
292,486.86/438,643.11 = 124,004.49/x - Step 3: Cross multiply
292,486.86x = 438,643.11 × 124,004.49 - Step 4: Simplify right side
292,486.86x = 54,393,715,147.56 - Step 5: Solve for x
x = 54,393,715,147.56/292,486.86 - Step 6: Final answer
x = 185,969.77
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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.