Finding the Fourth Proportional to 357,121.74, 492,842.18 and 195,982.58
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Solution
The fourth proportional to 357,121.74, 492,842.18 and 195,982.58 is: 270,463.74
Step by Step Solution
- Step 1: Write the proportion equation
357,121.74 : 492,842.18 = 195,982.58 : x - Step 2: Convert to fraction form
357,121.74/492,842.18 = 195,982.58/x - Step 3: Cross multiply
357,121.74x = 492,842.18 × 195,982.58 - Step 4: Simplify right side
357,121.74x = 96,588,481,969.22 - Step 5: Solve for x
x = 96,588,481,969.22/357,121.74 - Step 6: Final answer
x = 270,463.74
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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.