Finding the Fourth Proportional to 271,646.53, 374,889.16 and 156,929.99
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Solution
The fourth proportional to 271,646.53, 374,889.16 and 156,929.99 is: 216,573.18
Step by Step Solution
- Step 1: Write the proportion equation
271,646.53 : 374,889.16 = 156,929.99 : x - Step 2: Convert to fraction form
271,646.53/374,889.16 = 156,929.99/x - Step 3: Cross multiply
271,646.53x = 374,889.16 × 156,929.99 - Step 4: Simplify right side
271,646.53x = 58,831,352,560.38 - Step 5: Solve for x
x = 58,831,352,560.38/271,646.53 - Step 6: Final answer
x = 216,573.18
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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.