Finding the Fourth Proportional to 160,645.84, 221,715.68 and 102,527.65
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Solution
The fourth proportional to 160,645.84, 221,715.68 and 102,527.65 is: 141,503.74
Step by Step Solution
- Step 1: Write the proportion equation
160,645.84 : 221,715.68 = 102,527.65 : x - Step 2: Convert to fraction form
160,645.84/221,715.68 = 102,527.65/x - Step 3: Cross multiply
160,645.84x = 221,715.68 × 102,527.65 - Step 4: Simplify right side
160,645.84x = 22,731,986,732.63 - Step 5: Solve for x
x = 22,731,986,732.63/160,645.84 - Step 6: Final answer
x = 141,503.74
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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.