Finding the Fourth Proportional to 492,778.49, 680,035.30 and 266,423.99
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Solution
The fourth proportional to 492,778.49, 680,035.30 and 266,423.99 is: 367,665.63
Step by Step Solution
- Step 1: Write the proportion equation
492,778.49 : 680,035.30 = 266,423.99 : x - Step 2: Convert to fraction form
492,778.49/680,035.30 = 266,423.99/x - Step 3: Cross multiply
492,778.49x = 680,035.30 × 266,423.99 - Step 4: Simplify right side
492,778.49x = 181,177,713,900.61 - Step 5: Solve for x
x = 181,177,713,900.61/492,778.49 - Step 6: Final answer
x = 367,665.63
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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.