Finding the Fourth Proportional to 257,186.62, 354,920.39 and 142,467.03
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Solution
The fourth proportional to 257,186.62, 354,920.39 and 142,467.03 is: 196,606.09
Step by Step Solution
- Step 1: Write the proportion equation
257,186.62 : 354,920.39 = 142,467.03 : x - Step 2: Convert to fraction form
257,186.62/354,920.39 = 142,467.03/x - Step 3: Cross multiply
257,186.62x = 354,920.39 × 142,467.03 - Step 4: Simplify right side
257,186.62x = 50,564,454,205.91 - Step 5: Solve for x
x = 50,564,454,205.91/257,186.62 - Step 6: Final answer
x = 196,606.09
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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.