Finding the Fourth Proportional to 146,907.27, 202,774.08 and 86,512.95
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Solution
The fourth proportional to 146,907.27, 202,774.08 and 86,512.95 is: 119,412.63
Step by Step Solution
- Step 1: Write the proportion equation
146,907.27 : 202,774.08 = 86,512.95 : x - Step 2: Convert to fraction form
146,907.27/202,774.08 = 86,512.95/x - Step 3: Cross multiply
146,907.27x = 202,774.08 × 86,512.95 - Step 4: Simplify right side
146,907.27x = 17,542,583,519.91 - Step 5: Solve for x
x = 17,542,583,519.91/146,907.27 - Step 6: Final answer
x = 119,412.63
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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.