Finding the Fourth Proportional to 485,051.40, 669,382.62 and 270,194.88
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Solution
The fourth proportional to 485,051.40, 669,382.62 and 270,194.88 is: 372,875.45
Step by Step Solution
- Step 1: Write the proportion equation
485,051.40 : 669,382.62 = 270,194.88 : x - Step 2: Convert to fraction form
485,051.40/669,382.62 = 270,194.88/x - Step 3: Cross multiply
485,051.40x = 669,382.62 × 270,194.88 - Step 4: Simplify right side
485,051.40x = 180,863,756,684.99 - Step 5: Solve for x
x = 180,863,756,684.99/485,051.40 - Step 6: Final answer
x = 372,875.45
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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.