Finding the Fourth Proportional to 227,367.79, 313,763.40 and 125,402.70
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Solution
The fourth proportional to 227,367.79, 313,763.40 and 125,402.70 is: 173,053.44
Step by Step Solution
- Step 1: Write the proportion equation
227,367.79 : 313,763.40 = 125,402.70 : x - Step 2: Convert to fraction form
227,367.79/313,763.40 = 125,402.70/x - Step 3: Cross multiply
227,367.79x = 313,763.40 × 125,402.70 - Step 4: Simplify right side
227,367.79x = 39,346,777,521.18 - Step 5: Solve for x
x = 39,346,777,521.18/227,367.79 - Step 6: Final answer
x = 173,053.44
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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.