Finding the Fourth Proportional to 266,428.29, 367,666.74 and 145,566.99
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Solution
The fourth proportional to 266,428.29, 367,666.74 and 145,566.99 is: 200,880.10
Step by Step Solution
- Step 1: Write the proportion equation
266,428.29 : 367,666.74 = 145,566.99 : x - Step 2: Convert to fraction form
266,428.29/367,666.74 = 145,566.99/x - Step 3: Cross multiply
266,428.29x = 367,666.74 × 145,566.99 - Step 4: Simplify right side
266,428.29x = 53,520,140,664.91 - Step 5: Solve for x
x = 53,520,140,664.91/266,428.29 - Step 6: Final answer
x = 200,880.10
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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.