Finding the Fourth Proportional to 274,193.04, 378,383.76 and 153,332.94
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Solution
The fourth proportional to 274,193.04, 378,383.76 and 153,332.94 is: 211,597.98
Step by Step Solution
- Step 1: Write the proportion equation
274,193.04 : 378,383.76 = 153,332.94 : x - Step 2: Convert to fraction form
274,193.04/378,383.76 = 153,332.94/x - Step 3: Cross multiply
274,193.04x = 378,383.76 × 153,332.94 - Step 4: Simplify right side
274,193.04x = 58,018,694,369.05 - Step 5: Solve for x
x = 58,018,694,369.05/274,193.04 - Step 6: Final answer
x = 211,597.98
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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.