Finding the Fourth Proportional to 251,063.58, 346,466.68 and 136,341.42
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Solution
The fourth proportional to 251,063.58, 346,466.68 and 136,341.42 is: 188,150.58
Step by Step Solution
- Step 1: Write the proportion equation
251,063.58 : 346,466.68 = 136,341.42 : x - Step 2: Convert to fraction form
251,063.58/346,466.68 = 136,341.42/x - Step 3: Cross multiply
251,063.58x = 346,466.68 × 136,341.42 - Step 4: Simplify right side
251,063.58x = 47,237,760,055.63 - Step 5: Solve for x
x = 47,237,760,055.63/251,063.58 - Step 6: Final answer
x = 188,150.58
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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.