Finding the Fourth Proportional to 245,143.74, 367,826.51 and 125,138.70
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Solution
The fourth proportional to 245,143.74, 367,826.51 and 125,138.70 is: 187,764.66
Step by Step Solution
- Step 1: Write the proportion equation
245,143.74 : 367,826.51 = 125,138.70 : x - Step 2: Convert to fraction form
245,143.74/367,826.51 = 125,138.70/x - Step 3: Cross multiply
245,143.74x = 367,826.51 × 125,138.70 - Step 4: Simplify right side
245,143.74x = 46,029,330,661.24 - Step 5: Solve for x
x = 46,029,330,661.24/245,143.74 - Step 6: Final answer
x = 187,764.66
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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.