Finding the Fourth Proportional to 147,539.67, 203,622.02 and 83,887.03
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Solution
The fourth proportional to 147,539.67, 203,622.02 and 83,887.03 is: 115,773.92
Step by Step Solution
- Step 1: Write the proportion equation
147,539.67 : 203,622.02 = 83,887.03 : x - Step 2: Convert to fraction form
147,539.67/203,622.02 = 83,887.03/x - Step 3: Cross multiply
147,539.67x = 203,622.02 × 83,887.03 - Step 4: Simplify right side
147,539.67x = 17,081,246,500.40 - Step 5: Solve for x
x = 17,081,246,500.40/147,539.67 - Step 6: Final answer
x = 115,773.92
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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.