Finding the Fourth Proportional to 320,130.62, 441,768.39 and 176,887.70
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Solution
The fourth proportional to 320,130.62, 441,768.39 and 176,887.70 is: 244,098.47
Step by Step Solution
- Step 1: Write the proportion equation
320,130.62 : 441,768.39 = 176,887.70 : x - Step 2: Convert to fraction form
320,130.62/441,768.39 = 176,887.70/x - Step 3: Cross multiply
320,130.62x = 441,768.39 × 176,887.70 - Step 4: Simplify right side
320,130.62x = 78,143,394,439.80 - Step 5: Solve for x
x = 78,143,394,439.80/320,130.62 - Step 6: Final answer
x = 244,098.47
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1.5x scale
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.