Finding the Fourth Proportional to 408,225.98, 612,617.62 and 141,983.84
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Solution
The fourth proportional to 408,225.98, 612,617.62 and 141,983.84 is: 213,072.68
Step by Step Solution
- Step 1: Write the proportion equation
408,225.98 : 612,617.62 = 141,983.84 : x - Step 2: Convert to fraction form
408,225.98/612,617.62 = 141,983.84/x - Step 3: Cross multiply
408,225.98x = 612,617.62 × 141,983.84 - Step 4: Simplify right side
408,225.98x = 86,981,802,139.26 - Step 5: Solve for x
x = 86,981,802,139.26/408,225.98 - Step 6: Final answer
x = 213,072.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.