Finding the Fourth Proportional to 357,148.36, 492,849.21 and 196,006.08
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Solution
The fourth proportional to 357,148.36, 492,849.21 and 196,006.08 is: 270,479.87
Step by Step Solution
- Step 1: Write the proportion equation
357,148.36 : 492,849.21 = 196,006.08 : x - Step 2: Convert to fraction form
357,148.36/492,849.21 = 196,006.08/x - Step 3: Cross multiply
357,148.36x = 492,849.21 × 196,006.08 - Step 4: Simplify right side
357,148.36x = 96,601,440,703.17 - Step 5: Solve for x
x = 96,601,440,703.17/357,148.36 - Step 6: Final answer
x = 270,479.87
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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.