Finding the Fourth Proportional to 492,857.58, 680,144.21 and 266,503.08
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Solution
The fourth proportional to 492,857.58, 680,144.21 and 266,503.08 is: 367,774.66
Step by Step Solution
- Step 1: Write the proportion equation
492,857.58 : 680,144.21 = 266,503.08 : x - Step 2: Convert to fraction form
492,857.58/680,144.21 = 266,503.08/x - Step 3: Cross multiply
492,857.58x = 680,144.21 × 266,503.08 - Step 4: Simplify right side
492,857.58x = 181,260,526,809.17 - Step 5: Solve for x
x = 181,260,526,809.17/492,857.58 - Step 6: Final answer
x = 367,774.66
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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.