Finding the Fourth Proportional to 251,341.08, 346,841.88 and 138,163.02
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Solution
The fourth proportional to 251,341.08, 346,841.88 and 138,163.02 is: 190,660.12
Step by Step Solution
- Step 1: Write the proportion equation
251,341.08 : 346,841.88 = 138,163.02 : x - Step 2: Convert to fraction form
251,341.08/346,841.88 = 138,163.02/x - Step 3: Cross multiply
251,341.08x = 346,841.88 × 138,163.02 - Step 4: Simplify right side
251,341.08x = 47,920,721,603.28 - Step 5: Solve for x
x = 47,920,721,603.28/251,341.08 - Step 6: Final answer
x = 190,660.12
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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.