Finding the Fourth Proportional to 505,880.08, 698,154.33 and 288,097.98
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Solution
The fourth proportional to 505,880.08, 698,154.33 and 288,097.98 is: 397,597.88
Step by Step Solution
- Step 1: Write the proportion equation
505,880.08 : 698,154.33 = 288,097.98 : x - Step 2: Convert to fraction form
505,880.08/698,154.33 = 288,097.98/x - Step 3: Cross multiply
505,880.08x = 698,154.33 × 288,097.98 - Step 4: Simplify right side
505,880.08x = 201,136,849,619.63 - Step 5: Solve for x
x = 201,136,849,619.63/505,880.08 - Step 6: Final answer
x = 397,597.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.