Finding the Fourth Proportional to 245,472.63, 338,754.27 and 138,041.70
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Solution
The fourth proportional to 245,472.63, 338,754.27 and 138,041.70 is: 190,498.69
Step by Step Solution
- Step 1: Write the proportion equation
245,472.63 : 338,754.27 = 138,041.70 : x - Step 2: Convert to fraction form
245,472.63/338,754.27 = 138,041.70/x - Step 3: Cross multiply
245,472.63x = 338,754.27 × 138,041.70 - Step 4: Simplify right side
245,472.63x = 46,762,215,313.06 - Step 5: Solve for x
x = 46,762,215,313.06/245,472.63 - Step 6: Final answer
x = 190,498.69
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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.