Finding the Fourth Proportional to 146,639.08, 219,903.90 and 57,863.08
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Solution
The fourth proportional to 146,639.08, 219,903.90 and 57,863.08 is: 86,773.03
Step by Step Solution
- Step 1: Write the proportion equation
146,639.08 : 219,903.90 = 57,863.08 : x - Step 2: Convert to fraction form
146,639.08/219,903.90 = 57,863.08/x - Step 3: Cross multiply
146,639.08x = 219,903.90 × 57,863.08 - Step 4: Simplify right side
146,639.08x = 12,724,316,958.01 - Step 5: Solve for x
x = 12,724,316,958.01/146,639.08 - Step 6: Final answer
x = 86,773.03
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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.