Finding the Fourth Proportional to 872,153.94, 1,308,230.93 and 273,161.98
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Solution
The fourth proportional to 872,153.94, 1,308,230.93 and 273,161.98 is: 409,742.98
Step by Step Solution
- Step 1: Write the proportion equation
872,153.94 : 1,308,230.93 = 273,161.98 : x - Step 2: Convert to fraction form
872,153.94/1,308,230.93 = 273,161.98/x - Step 3: Cross multiply
872,153.94x = 1,308,230.93 × 273,161.98 - Step 4: Simplify right side
872,153.94x = 357,358,949,770.23 - Step 5: Solve for x
x = 357,358,949,770.23/872,153.94 - Step 6: Final answer
x = 409,742.98
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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.