Finding the Fourth Proportional to 145,997.60, 201,446.61 and 83,896.08
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Solution
The fourth proportional to 145,997.60, 201,446.61 and 83,896.08 is: 115,759.31
Step by Step Solution
- Step 1: Write the proportion equation
145,997.60 : 201,446.61 = 83,896.08 : x - Step 2: Convert to fraction form
145,997.60/201,446.61 = 83,896.08/x - Step 3: Cross multiply
145,997.60x = 201,446.61 × 83,896.08 - Step 4: Simplify right side
145,997.60x = 16,900,580,908.29 - Step 5: Solve for x
x = 16,900,580,908.29/145,997.60 - Step 6: Final answer
x = 115,759.31
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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.