Finding the Fourth Proportional to 251,418.79, 346,957.93 and 138,241.54
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Solution
The fourth proportional to 251,418.79, 346,957.93 and 138,241.54 is: 190,773.33
Step by Step Solution
- Step 1: Write the proportion equation
251,418.79 : 346,957.93 = 138,241.54 : x - Step 2: Convert to fraction form
251,418.79/346,957.93 = 138,241.54/x - Step 3: Cross multiply
251,418.79x = 346,957.93 × 138,241.54 - Step 4: Simplify right side
251,418.79x = 47,963,998,558.41 - Step 5: Solve for x
x = 47,963,998,558.41/251,418.79 - Step 6: Final answer
x = 190,773.33
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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.