Finding the Fourth Proportional to 613,141.14, 919,850.08 and 186,715.12
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Solution
The fourth proportional to 613,141.14, 919,850.08 and 186,715.12 is: 280,114.82
Step by Step Solution
- Step 1: Write the proportion equation
613,141.14 : 919,850.08 = 186,715.12 : x - Step 2: Convert to fraction form
613,141.14/919,850.08 = 186,715.12/x - Step 3: Cross multiply
613,141.14x = 919,850.08 × 186,715.12 - Step 4: Simplify right side
613,141.14x = 171,749,918,069.21 - Step 5: Solve for x
x = 171,749,918,069.21/613,141.14 - Step 6: Final answer
x = 280,114.82
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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.