Finding the Fourth Proportional to 411,606.44, 617,409.66 and 271,332.26
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Solution
The fourth proportional to 411,606.44, 617,409.66 and 271,332.26 is: 406,998.39
Step by Step Solution
- Step 1: Write the proportion equation
411,606.44 : 617,409.66 = 271,332.26 : x - Step 2: Convert to fraction form
411,606.44/617,409.66 = 271,332.26/x - Step 3: Cross multiply
411,606.44x = 617,409.66 × 271,332.26 - Step 4: Simplify right side
411,606.44x = 167,523,158,393.63 - Step 5: Solve for x
x = 167,523,158,393.63/411,606.44 - Step 6: Final answer
x = 406,998.39
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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.