Finding the Fourth Proportional to 227,357.01, 313,748.49 and 125,391.87
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Solution
The fourth proportional to 227,357.01, 313,748.49 and 125,391.87 is: 173,038.47
Step by Step Solution
- Step 1: Write the proportion equation
227,357.01 : 313,748.49 = 125,391.87 : x - Step 2: Convert to fraction form
227,357.01/313,748.49 = 125,391.87/x - Step 3: Cross multiply
227,357.01x = 313,748.49 × 125,391.87 - Step 4: Simplify right side
227,357.01x = 39,341,509,870.78 - Step 5: Solve for x
x = 39,341,509,870.78/227,357.01 - Step 6: Final answer
x = 173,038.47
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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.