Finding the Fourth Proportional to 84,364.84, 126,286.62 and 46,318.96
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Solution
The fourth proportional to 84,364.84, 126,286.62 and 46,318.96 is: 69,335.34
Step by Step Solution
- Step 1: Write the proportion equation
84,364.84 : 126,286.62 = 46,318.96 : x - Step 2: Convert to fraction form
84,364.84/126,286.62 = 46,318.96/x - Step 3: Cross multiply
84,364.84x = 126,286.62 × 46,318.96 - Step 4: Simplify right side
84,364.84x = 5,849,464,900.32 - Step 5: Solve for x
x = 5,849,464,900.32/84,364.84 - Step 6: Final answer
x = 69,335.34
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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.