Finding the Fourth Proportional to 284,053.68, 392,136.11 and 176,658.31
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Solution
The fourth proportional to 284,053.68, 392,136.11 and 176,658.31 is: 243,876.80
Step by Step Solution
- Step 1: Write the proportion equation
284,053.68 : 392,136.11 = 176,658.31 : x - Step 2: Convert to fraction form
284,053.68/392,136.11 = 176,658.31/x - Step 3: Cross multiply
284,053.68x = 392,136.11 × 176,658.31 - Step 4: Simplify right side
284,053.68x = 69,274,102,482.57 - Step 5: Solve for x
x = 69,274,102,482.57/284,053.68 - Step 6: Final answer
x = 243,876.80
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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.