Finding the Fourth Proportional to 245,156.26, 338,313.63 and 137,724.03
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Solution
The fourth proportional to 245,156.26, 338,313.63 and 137,724.03 is: 190,058.03
Step by Step Solution
- Step 1: Write the proportion equation
245,156.26 : 338,313.63 = 137,724.03 : x - Step 2: Convert to fraction form
245,156.26/338,313.63 = 137,724.03/x - Step 3: Cross multiply
245,156.26x = 338,313.63 × 137,724.03 - Step 4: Simplify right side
245,156.26x = 46,593,916,527.53 - Step 5: Solve for x
x = 46,593,916,527.53/245,156.26 - Step 6: Final answer
x = 190,058.03
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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.