Finding the Fourth Proportional to 239,386.93, 330,356.18 and 131,960.81
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Solution
The fourth proportional to 239,386.93, 330,356.18 and 131,960.81 is: 182,107.15
Step by Step Solution
- Step 1: Write the proportion equation
239,386.93 : 330,356.18 = 131,960.81 : x - Step 2: Convert to fraction form
239,386.93/330,356.18 = 131,960.81/x - Step 3: Cross multiply
239,386.93x = 330,356.18 × 131,960.81 - Step 4: Simplify right side
239,386.93x = 43,594,070,257.10 - Step 5: Solve for x
x = 43,594,070,257.10/239,386.93 - Step 6: Final answer
x = 182,107.15
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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.