Finding the Fourth Proportional to 266,221.89, 367,387.99 and 145,364.02
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Solution
The fourth proportional to 266,221.89, 367,387.99 and 145,364.02 is: 200,603.32
Step by Step Solution
- Step 1: Write the proportion equation
266,221.89 : 367,387.99 = 145,364.02 : x - Step 2: Convert to fraction form
266,221.89/367,387.99 = 145,364.02/x - Step 3: Cross multiply
266,221.89x = 367,387.99 × 145,364.02 - Step 4: Simplify right side
266,221.89x = 53,404,993,844.24 - Step 5: Solve for x
x = 53,404,993,844.24/266,221.89 - Step 6: Final answer
x = 200,603.32
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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.