Finding the Fourth Proportional to 201,981.70, 302,972.55 and 170,877.70
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Solution
The fourth proportional to 201,981.70, 302,972.55 and 170,877.70 is: 256,316.55
Step by Step Solution
- Step 1: Write the proportion equation
201,981.70 : 302,972.55 = 170,877.70 : x - Step 2: Convert to fraction form
201,981.70/302,972.55 = 170,877.70/x - Step 3: Cross multiply
201,981.70x = 302,972.55 × 170,877.70 - Step 4: Simplify right side
201,981.70x = 51,771,252,507.14 - Step 5: Solve for x
x = 51,771,252,507.14/201,981.70 - Step 6: Final answer
x = 256,316.55
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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.