Finding the Fourth Proportional to 198,767.04, 274,305.63 and 113,900.49
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Solution
The fourth proportional to 198,767.04, 274,305.63 and 113,900.49 is: 157,186.75
Step by Step Solution
- Step 1: Write the proportion equation
198,767.04 : 274,305.63 = 113,900.49 : x - Step 2: Convert to fraction form
198,767.04/274,305.63 = 113,900.49/x - Step 3: Cross multiply
198,767.04x = 274,305.63 × 113,900.49 - Step 4: Simplify right side
198,767.04x = 31,243,545,666.76 - Step 5: Solve for x
x = 31,243,545,666.76/198,767.04 - Step 6: Final answer
x = 157,186.75
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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.