Finding the Fourth Proportional to 154,998.20, 232,497.30 and 66,424.70
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Solution
The fourth proportional to 154,998.20, 232,497.30 and 66,424.70 is: 99,637.05
Step by Step Solution
- Step 1: Write the proportion equation
154,998.20 : 232,497.30 = 66,424.70 : x - Step 2: Convert to fraction form
154,998.20/232,497.30 = 66,424.70/x - Step 3: Cross multiply
154,998.20x = 232,497.30 × 66,424.70 - Step 4: Simplify right side
154,998.20x = 15,443,563,403.31 - Step 5: Solve for x
x = 15,443,563,403.31/154,998.20 - Step 6: Final answer
x = 99,637.05
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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.