Finding the Fourth Proportional to 146,719.46, 202,473.69 and 86,292.65
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Solution
The fourth proportional to 146,719.46, 202,473.69 and 86,292.65 is: 119,084.35
Step by Step Solution
- Step 1: Write the proportion equation
146,719.46 : 202,473.69 = 86,292.65 : x - Step 2: Convert to fraction form
146,719.46/202,473.69 = 86,292.65/x - Step 3: Cross multiply
146,719.46x = 202,473.69 × 86,292.65 - Step 4: Simplify right side
146,719.46x = 17,471,990,253.01 - Step 5: Solve for x
x = 17,471,990,253.01/146,719.46 - Step 6: Final answer
x = 119,084.35
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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.