Finding the Fourth Proportional to 236,539.62, 326,412.28 and 129,107.80
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Solution
The fourth proportional to 236,539.62, 326,412.28 and 129,107.80 is: 178,162.00
Step by Step Solution
- Step 1: Write the proportion equation
236,539.62 : 326,412.28 = 129,107.80 : x - Step 2: Convert to fraction form
236,539.62/326,412.28 = 129,107.80/x - Step 3: Cross multiply
236,539.62x = 326,412.28 × 129,107.80 - Step 4: Simplify right side
236,539.62x = 42,142,371,363.78 - Step 5: Solve for x
x = 42,142,371,363.78/236,539.62 - Step 6: Final answer
x = 178,162.00
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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.