Finding the Fourth Proportional to 296,496.14, 409,159.69 and 160,528.99
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Solution
The fourth proportional to 296,496.14, 409,159.69 and 160,528.99 is: 221,527.31
Step by Step Solution
- Step 1: Write the proportion equation
296,496.14 : 409,159.69 = 160,528.99 : x - Step 2: Convert to fraction form
296,496.14/409,159.69 = 160,528.99/x - Step 3: Cross multiply
296,496.14x = 409,159.69 × 160,528.99 - Step 4: Simplify right side
296,496.14x = 65,681,991,784.41 - Step 5: Solve for x
x = 65,681,991,784.41/296,496.14 - Step 6: Final answer
x = 221,527.31
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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.