Finding the Fourth Proportional to 393,376.07, 590,616.15 and 201,387.63
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Solution
The fourth proportional to 393,376.07, 590,616.15 and 201,387.63 is: 302,364.06
Step by Step Solution
- Step 1: Write the proportion equation
393,376.07 : 590,616.15 = 201,387.63 : x - Step 2: Convert to fraction form
393,376.07/590,616.15 = 201,387.63/x - Step 3: Cross multiply
393,376.07x = 590,616.15 × 201,387.63 - Step 4: Simplify right side
393,376.07x = 118,942,785,958.42 - Step 5: Solve for x
x = 118,942,785,958.42/393,376.07 - Step 6: Final answer
x = 302,364.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.