Finding the Fourth Proportional to 183,986.82, 275,430.15 and 112,684.95
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Solution
The fourth proportional to 183,986.82, 275,430.15 and 112,684.95 is: 168,690.52
Step by Step Solution
- Step 1: Write the proportion equation
183,986.82 : 275,430.15 = 112,684.95 : x - Step 2: Convert to fraction form
183,986.82/275,430.15 = 112,684.95/x - Step 3: Cross multiply
183,986.82x = 275,430.15 × 112,684.95 - Step 4: Simplify right side
183,986.82x = 31,036,832,681.24 - Step 5: Solve for x
x = 31,036,832,681.24/183,986.82 - Step 6: Final answer
x = 168,690.52
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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.