Finding the Fourth Proportional to 306,828.44, 460,039.62 and 146,927.96
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Solution
The fourth proportional to 306,828.44, 460,039.62 and 146,927.96 is: 220,294.71
Step by Step Solution
- Step 1: Write the proportion equation
306,828.44 : 460,039.62 = 146,927.96 : x - Step 2: Convert to fraction form
306,828.44/460,039.62 = 146,927.96/x - Step 3: Cross multiply
306,828.44x = 460,039.62 × 146,927.96 - Step 4: Simplify right side
306,828.44x = 67,592,682,885.78 - Step 5: Solve for x
x = 67,592,682,885.78/306,828.44 - Step 6: Final answer
x = 220,294.71
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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.