Finding the Fourth Proportional to 221,232.24, 305,307.72 and 124,452.88
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Solution
The fourth proportional to 221,232.24, 305,307.72 and 124,452.88 is: 171,749.04
Step by Step Solution
- Step 1: Write the proportion equation
221,232.24 : 305,307.72 = 124,452.88 : x - Step 2: Convert to fraction form
221,232.24/305,307.72 = 124,452.88/x - Step 3: Cross multiply
221,232.24x = 305,307.72 × 124,452.88 - Step 4: Simplify right side
221,232.24x = 37,996,425,040.23 - Step 5: Solve for x
x = 37,996,425,040.23/221,232.24 - Step 6: Final answer
x = 171,749.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.