Finding the Fourth Proportional to 259,796.21, 358,511.79 and 145,071.66
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Solution
The fourth proportional to 259,796.21, 358,511.79 and 145,071.66 is: 200,194.99
Step by Step Solution
- Step 1: Write the proportion equation
259,796.21 : 358,511.79 = 145,071.66 : x - Step 2: Convert to fraction form
259,796.21/358,511.79 = 145,071.66/x - Step 3: Cross multiply
259,796.21x = 358,511.79 × 145,071.66 - Step 4: Simplify right side
259,796.21x = 52,009,900,232.86 - Step 5: Solve for x
x = 52,009,900,232.86/259,796.21 - Step 6: Final answer
x = 200,194.99
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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.