Finding the Fourth Proportional to 284,475.65, 426,923.47 and 134,715.70
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Solution
The fourth proportional to 284,475.65, 426,923.47 and 134,715.70 is: 202,172.99
Step by Step Solution
- Step 1: Write the proportion equation
284,475.65 : 426,923.47 = 134,715.70 : x - Step 2: Convert to fraction form
284,475.65/426,923.47 = 134,715.70/x - Step 3: Cross multiply
284,475.65x = 426,923.47 × 134,715.70 - Step 4: Simplify right side
284,475.65x = 57,513,294,304.34 - Step 5: Solve for x
x = 57,513,294,304.34/284,475.65 - Step 6: Final answer
x = 202,172.99
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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.