Finding the Fourth Proportional to 239,950.84, 331,102.72 and 152,705.84
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Solution
The fourth proportional to 239,950.84, 331,102.72 and 152,705.84 is: 210,715.32
Step by Step Solution
- Step 1: Write the proportion equation
239,950.84 : 331,102.72 = 152,705.84 : x - Step 2: Convert to fraction form
239,950.84/331,102.72 = 152,705.84/x - Step 3: Cross multiply
239,950.84x = 331,102.72 × 152,705.84 - Step 4: Simplify right side
239,950.84x = 50,561,318,983.88 - Step 5: Solve for x
x = 50,561,318,983.88/239,950.84 - Step 6: Final answer
x = 210,715.32
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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.