Finding the Fourth Proportional to 112,853.80, 169,302.83 and 41,776.99
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Solution
The fourth proportional to 112,853.80, 169,302.83 and 41,776.99 is: 62,673.67
Step by Step Solution
- Step 1: Write the proportion equation
112,853.80 : 169,302.83 = 41,776.99 : x - Step 2: Convert to fraction form
112,853.80/169,302.83 = 41,776.99/x - Step 3: Cross multiply
112,853.80x = 169,302.83 × 41,776.99 - Step 4: Simplify right side
112,853.80x = 7,072,961,580.48 - Step 5: Solve for x
x = 7,072,961,580.48/112,853.80 - Step 6: Final answer
x = 62,673.67
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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.