Finding the Fourth Proportional to 146,419.30, 219,683.62 and 57,734.63
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Solution
The fourth proportional to 146,419.30, 219,683.62 and 57,734.63 is: 86,623.49
Step by Step Solution
- Step 1: Write the proportion equation
146,419.30 : 219,683.62 = 57,734.63 : x - Step 2: Convert to fraction form
146,419.30/219,683.62 = 57,734.63/x - Step 3: Cross multiply
146,419.30x = 219,683.62 × 57,734.63 - Step 4: Simplify right side
146,419.30x = 12,683,351,275.01 - Step 5: Solve for x
x = 12,683,351,275.01/146,419.30 - Step 6: Final answer
x = 86,623.49
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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.