Finding the Fourth Proportional to 292,669.62, 438,917.85 and 124,187.82
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Solution
The fourth proportional to 292,669.62, 438,917.85 and 124,187.82 is: 186,244.99
Step by Step Solution
- Step 1: Write the proportion equation
292,669.62 : 438,917.85 = 124,187.82 : x - Step 2: Convert to fraction form
292,669.62/438,917.85 = 124,187.82/x - Step 3: Cross multiply
292,669.62x = 438,917.85 × 124,187.82 - Step 4: Simplify right side
292,669.62x = 54,508,250,950.59 - Step 5: Solve for x
x = 54,508,250,950.59/292,669.62 - Step 6: Final answer
x = 186,244.99
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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.