Finding the Fourth Proportional to 314,544.41, 434,083.58 and 178,591.01
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Solution
The fourth proportional to 314,544.41, 434,083.58 and 178,591.01 is: 246,462.56
Step by Step Solution
- Step 1: Write the proportion equation
314,544.41 : 434,083.58 = 178,591.01 : x - Step 2: Convert to fraction form
314,544.41/434,083.58 = 178,591.01/x - Step 3: Cross multiply
314,544.41x = 434,083.58 × 178,591.01 - Step 4: Simplify right side
314,544.41x = 77,523,421,913.24 - Step 5: Solve for x
x = 77,523,421,913.24/314,544.41 - Step 6: Final answer
x = 246,462.56
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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.