Finding the Fourth Proportional to 351,805.62, 485,490.53 and 190,664.63
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Solution
The fourth proportional to 351,805.62, 485,490.53 and 190,664.63 is: 263,116.52
Step by Step Solution
- Step 1: Write the proportion equation
351,805.62 : 485,490.53 = 190,664.63 : x - Step 2: Convert to fraction form
351,805.62/485,490.53 = 190,664.63/x - Step 3: Cross multiply
351,805.62x = 485,490.53 × 190,664.63 - Step 4: Simplify right side
351,805.62x = 92,565,870,320.16 - Step 5: Solve for x
x = 92,565,870,320.16/351,805.62 - Step 6: Final answer
x = 263,116.52
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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.