Finding the Fourth Proportional to 581,912.62, 872,868.93 and 161,188.63
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Solution
The fourth proportional to 581,912.62, 872,868.93 and 161,188.63 is: 241,782.95
Step by Step Solution
- Step 1: Write the proportion equation
581,912.62 : 872,868.93 = 161,188.63 : x - Step 2: Convert to fraction form
581,912.62/872,868.93 = 161,188.63/x - Step 3: Cross multiply
581,912.62x = 872,868.93 × 161,188.63 - Step 4: Simplify right side
581,912.62x = 140,696,546,996.27 - Step 5: Solve for x
x = 140,696,546,996.27/581,912.62 - Step 6: Final answer
x = 241,782.95
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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.