Finding the Fourth Proportional to 145,892.07, 201,327.04 and 81,363.26
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Solution
The fourth proportional to 145,892.07, 201,327.04 and 81,363.26 is: 112,279.06
Step by Step Solution
- Step 1: Write the proportion equation
145,892.07 : 201,327.04 = 81,363.26 : x - Step 2: Convert to fraction form
145,892.07/201,327.04 = 81,363.26/x - Step 3: Cross multiply
145,892.07x = 201,327.04 × 81,363.26 - Step 4: Simplify right side
145,892.07x = 16,380,624,300.55 - Step 5: Solve for x
x = 16,380,624,300.55/145,892.07 - Step 6: Final answer
x = 112,279.06
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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.