Finding the Fourth Proportional to 274,691.25, 379,041.93 and 159,995.05
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Solution
The fourth proportional to 274,691.25, 379,041.93 and 159,995.05 is: 220,774.53
Step by Step Solution
- Step 1: Write the proportion equation
274,691.25 : 379,041.93 = 159,995.05 : x - Step 2: Convert to fraction form
274,691.25/379,041.93 = 159,995.05/x - Step 3: Cross multiply
274,691.25x = 379,041.93 × 159,995.05 - Step 4: Simplify right side
274,691.25x = 60,644,831,594.84 - Step 5: Solve for x
x = 60,644,831,594.84/274,691.25 - Step 6: Final answer
x = 220,774.53
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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.