Finding the Fourth Proportional to 484,306.09, 668,342.75 and 269,446.30
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Solution
The fourth proportional to 484,306.09, 668,342.75 and 269,446.30 is: 371,836.08
Step by Step Solution
- Step 1: Write the proportion equation
484,306.09 : 668,342.75 = 269,446.30 : x - Step 2: Convert to fraction form
484,306.09/668,342.75 = 269,446.30/x - Step 3: Cross multiply
484,306.09x = 668,342.75 × 269,446.30 - Step 4: Simplify right side
484,306.09x = 180,082,478,101.24 - Step 5: Solve for x
x = 180,082,478,101.24/484,306.09 - Step 6: Final answer
x = 371,836.08
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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.