Finding the Fourth Proportional to 236,972.31, 326,990.21 and 152,204.19
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Solution
The fourth proportional to 236,972.31, 326,990.21 and 152,204.19 is: 210,021.50
Step by Step Solution
- Step 1: Write the proportion equation
236,972.31 : 326,990.21 = 152,204.19 : x - Step 2: Convert to fraction form
236,972.31/326,990.21 = 152,204.19/x - Step 3: Cross multiply
236,972.31x = 326,990.21 × 152,204.19 - Step 4: Simplify right side
236,972.31x = 49,769,279,289.96 - Step 5: Solve for x
x = 49,769,279,289.96/236,972.31 - Step 6: Final answer
x = 210,021.50
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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.