Finding the Fourth Proportional to 245,319.29, 338,550.21 and 137,888.99
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Solution
The fourth proportional to 245,319.29, 338,550.21 and 137,888.99 is: 190,292.19
Step by Step Solution
- Step 1: Write the proportion equation
245,319.29 : 338,550.21 = 137,888.99 : x - Step 2: Convert to fraction form
245,319.29/338,550.21 = 137,888.99/x - Step 3: Cross multiply
245,319.29x = 338,550.21 × 137,888.99 - Step 4: Simplify right side
245,319.29x = 46,682,344,828.44 - Step 5: Solve for x
x = 46,682,344,828.44/245,319.29 - Step 6: Final answer
x = 190,292.19
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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.