Finding the Fourth Proportional to 284,527.44, 392,643.18 and 157,214.88
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Solution
The fourth proportional to 284,527.44, 392,643.18 and 157,214.88 is: 216,953.94
Step by Step Solution
- Step 1: Write the proportion equation
284,527.44 : 392,643.18 = 157,214.88 : x - Step 2: Convert to fraction form
284,527.44/392,643.18 = 157,214.88/x - Step 3: Cross multiply
284,527.44x = 392,643.18 × 157,214.88 - Step 4: Simplify right side
284,527.44x = 61,729,350,426.52 - Step 5: Solve for x
x = 61,729,350,426.52/284,527.44 - Step 6: Final answer
x = 216,953.94
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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.