Finding the Fourth Proportional to 266,141.36, 367,261.05 and 145,259.19
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Solution
The fourth proportional to 266,141.36, 367,261.05 and 145,259.19 is: 200,450.03
Step by Step Solution
- Step 1: Write the proportion equation
266,141.36 : 367,261.05 = 145,259.19 : x - Step 2: Convert to fraction form
266,141.36/367,261.05 = 145,259.19/x - Step 3: Cross multiply
266,141.36x = 367,261.05 × 145,259.19 - Step 4: Simplify right side
266,141.36x = 53,348,042,641.55 - Step 5: Solve for x
x = 53,348,042,641.55/266,141.36 - Step 6: Final answer
x = 200,450.03
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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.