Finding the Fourth Proportional to 346,318.14, 519,531.84 and 146,639.64
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Solution
The fourth proportional to 346,318.14, 519,531.84 and 146,639.64 is: 219,982.59
Step by Step Solution
- Step 1: Write the proportion equation
346,318.14 : 519,531.84 = 146,639.64 : x - Step 2: Convert to fraction form
346,318.14/519,531.84 = 146,639.64/x - Step 3: Cross multiply
346,318.14x = 519,531.84 × 146,639.64 - Step 4: Simplify right side
346,318.14x = 76,183,961,986.14 - Step 5: Solve for x
x = 76,183,961,986.14/346,318.14 - Step 6: Final answer
x = 219,982.59
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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.