Finding the Fourth Proportional to 229,888.41, 317,198.47 and 134,376.63
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Solution
The fourth proportional to 229,888.41, 317,198.47 and 134,376.63 is: 185,411.96
Step by Step Solution
- Step 1: Write the proportion equation
229,888.41 : 317,198.47 = 134,376.63 : x - Step 2: Convert to fraction form
229,888.41/317,198.47 = 134,376.63/x - Step 3: Cross multiply
229,888.41x = 317,198.47 × 134,376.63 - Step 4: Simplify right side
229,888.41x = 42,624,061,439.76 - Step 5: Solve for x
x = 42,624,061,439.76/229,888.41 - Step 6: Final answer
x = 185,411.96
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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.