Finding the Fourth Proportional to 698,172.24, 1,047,237.42 and 192,764.07
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Solution
The fourth proportional to 698,172.24, 1,047,237.42 and 192,764.07 is: 289,140.32
Step by Step Solution
- Step 1: Write the proportion equation
698,172.24 : 1,047,237.42 = 192,764.07 : x - Step 2: Convert to fraction form
698,172.24/1,047,237.42 = 192,764.07/x - Step 3: Cross multiply
698,172.24x = 1,047,237.42 × 192,764.07 - Step 4: Simplify right side
698,172.24x = 201,869,747,335.50 - Step 5: Solve for x
x = 201,869,747,335.50/698,172.24 - Step 6: Final answer
x = 289,140.32
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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.