Finding the Fourth Proportional to 357,121.17, 492,830.93 and 195,986.66
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Solution
The fourth proportional to 357,121.17, 492,830.93 and 195,986.66 is: 270,463.62
Step by Step Solution
- Step 1: Write the proportion equation
357,121.17 : 492,830.93 = 195,986.66 : x - Step 2: Convert to fraction form
357,121.17/492,830.93 = 195,986.66/x - Step 3: Cross multiply
357,121.17x = 492,830.93 × 195,986.66 - Step 4: Simplify right side
357,121.17x = 96,588,285,941.21 - Step 5: Solve for x
x = 96,588,285,941.21/357,121.17 - Step 6: Final answer
x = 270,463.62
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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.