Finding the Fourth Proportional to 251,340.14, 346,840.62 and 138,162.08
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Solution
The fourth proportional to 251,340.14, 346,840.62 and 138,162.08 is: 190,658.85
Step by Step Solution
- Step 1: Write the proportion equation
251,340.14 : 346,840.62 = 138,162.08 : x - Step 2: Convert to fraction form
251,340.14/346,840.62 = 138,162.08/x - Step 3: Cross multiply
251,340.14x = 346,840.62 × 138,162.08 - Step 4: Simplify right side
251,340.14x = 47,920,221,836.68 - Step 5: Solve for x
x = 47,920,221,836.68/251,340.14 - Step 6: Final answer
x = 190,658.85
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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.