Finding the Fourth Proportional to 479,125.92, 661,169.28 and 275,035.08
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Solution
The fourth proportional to 479,125.92, 661,169.28 and 275,035.08 is: 379,534.35
Step by Step Solution
- Step 1: Write the proportion equation
479,125.92 : 661,169.28 = 275,035.08 : x - Step 2: Convert to fraction form
479,125.92/661,169.28 = 275,035.08/x - Step 3: Cross multiply
479,125.92x = 661,169.28 × 275,035.08 - Step 4: Simplify right side
479,125.92x = 181,844,745,818.34 - Step 5: Solve for x
x = 181,844,745,818.34/479,125.92 - Step 6: Final answer
x = 379,534.35
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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.