Finding the Fourth Proportional to 314,943.84, 434,623.86 and 201,832.20
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Solution
The fourth proportional to 314,943.84, 434,623.86 and 201,832.20 is: 278,529.31
Step by Step Solution
- Step 1: Write the proportion equation
314,943.84 : 434,623.86 = 201,832.20 : x - Step 2: Convert to fraction form
314,943.84/434,623.86 = 201,832.20/x - Step 3: Cross multiply
314,943.84x = 434,623.86 × 201,832.20 - Step 4: Simplify right side
314,943.84x = 87,721,089,836.29 - Step 5: Solve for x
x = 87,721,089,836.29/314,943.84 - Step 6: Final answer
x = 278,529.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.