Finding the Fourth Proportional to 272,859.92, 409,305.06 and 83,349.08
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Solution
The fourth proportional to 272,859.92, 409,305.06 and 83,349.08 is: 125,028.26
Step by Step Solution
- Step 1: Write the proportion equation
272,859.92 : 409,305.06 = 83,349.08 : x - Step 2: Convert to fraction form
272,859.92/409,305.06 = 83,349.08/x - Step 3: Cross multiply
272,859.92x = 409,305.06 × 83,349.08 - Step 4: Simplify right side
272,859.92x = 34,115,200,190.34 - Step 5: Solve for x
x = 34,115,200,190.34/272,859.92 - Step 6: Final answer
x = 125,028.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.