Finding the Fourth Proportional to 221,345.24, 305,425.60 and 125,841.36
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Solution
The fourth proportional to 221,345.24, 305,425.60 and 125,841.36 is: 173,643.55
Step by Step Solution
- Step 1: Write the proportion equation
221,345.24 : 305,425.60 = 125,841.36 : x - Step 2: Convert to fraction form
221,345.24/305,425.60 = 125,841.36/x - Step 3: Cross multiply
221,345.24x = 305,425.60 × 125,841.36 - Step 4: Simplify right side
221,345.24x = 38,435,172,882.82 - Step 5: Solve for x
x = 38,435,172,882.82/221,345.24 - Step 6: Final answer
x = 173,643.55
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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.