Finding the Fourth Proportional to 251,412.27, 346,955.75 and 136,698.63
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Solution
The fourth proportional to 251,412.27, 346,955.75 and 136,698.63 is: 188,647.82
Step by Step Solution
- Step 1: Write the proportion equation
251,412.27 : 346,955.75 = 136,698.63 : x - Step 2: Convert to fraction form
251,412.27/346,955.75 = 136,698.63/x - Step 3: Cross multiply
251,412.27x = 346,955.75 × 136,698.63 - Step 4: Simplify right side
251,412.27x = 47,428,375,695.62 - Step 5: Solve for x
x = 47,428,375,695.62/251,412.27 - Step 6: Final answer
x = 188,647.82
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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.