Finding the Fourth Proportional to 251,206.24, 346,664.88 and 138,035.68
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Solution
The fourth proportional to 251,206.24, 346,664.88 and 138,035.68 is: 190,489.39
Step by Step Solution
- Step 1: Write the proportion equation
251,206.24 : 346,664.88 = 138,035.68 : x - Step 2: Convert to fraction form
251,206.24/346,664.88 = 138,035.68/x - Step 3: Cross multiply
251,206.24x = 346,664.88 × 138,035.68 - Step 4: Simplify right side
251,206.24x = 47,852,122,442.92 - Step 5: Solve for x
x = 47,852,122,442.92/251,206.24 - Step 6: Final answer
x = 190,489.39
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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.