Finding the Fourth Proportional to 146,307.70, 219,330.15 and 57,621.70
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Solution
The fourth proportional to 146,307.70, 219,330.15 and 57,621.70 is: 86,380.80
Step by Step Solution
- Step 1: Write the proportion equation
146,307.70 : 219,330.15 = 57,621.70 : x - Step 2: Convert to fraction form
146,307.70/219,330.15 = 57,621.70/x - Step 3: Cross multiply
146,307.70x = 219,330.15 × 57,621.70 - Step 4: Simplify right side
146,307.70x = 12,638,176,104.26 - Step 5: Solve for x
x = 12,638,176,104.26/146,307.70 - Step 6: Final answer
x = 86,380.80
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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.