Finding the Fourth Proportional to 314,795.68, 434,405.40 and 171,552.68
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Solution
The fourth proportional to 314,795.68, 434,405.40 and 171,552.68 is: 236,735.81
Step by Step Solution
- Step 1: Write the proportion equation
314,795.68 : 434,405.40 = 171,552.68 : x - Step 2: Convert to fraction form
314,795.68/434,405.40 = 171,552.68/x - Step 3: Cross multiply
314,795.68x = 434,405.40 × 171,552.68 - Step 4: Simplify right side
314,795.68x = 74,523,410,576.47 - Step 5: Solve for x
x = 74,523,410,576.47/314,795.68 - Step 6: Final answer
x = 236,735.81
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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.