Finding the Fourth Proportional to 251,087.88, 346,502.22 and 136,366.68
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Solution
The fourth proportional to 251,087.88, 346,502.22 and 136,366.68 is: 188,186.53
Step by Step Solution
- Step 1: Write the proportion equation
251,087.88 : 346,502.22 = 136,366.68 : x - Step 2: Convert to fraction form
251,087.88/346,502.22 = 136,366.68/x - Step 3: Cross multiply
251,087.88x = 346,502.22 × 136,366.68 - Step 4: Simplify right side
251,087.88x = 47,251,357,354.03 - Step 5: Solve for x
x = 47,251,357,354.03/251,087.88 - Step 6: Final answer
x = 188,186.53
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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.