Finding the Fourth Proportional to 367,069.30, 515,078 and 367,069.30
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Solution
The fourth proportional to 367,069.30, 515,078 and 367,069.30 is: 515,078
Step by Step Solution
- Step 1: Write the proportion equation
367,069.30 : 515,078 = 367,069.30 : x - Step 2: Convert to fraction form
367,069.30/515,078 = 367,069.30/x - Step 3: Cross multiply
367,069.30x = 515,078 × 367,069.30 - Step 4: Simplify right side
367,069.30x = 189,069,320,905.40 - Step 5: Solve for x
x = 189,069,320,905.40/367,069.30 - Step 6: Final answer
x = 515,078
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.