Finding the Fourth Proportional to 235,317.14, 324,740.16 and 127,887.17
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Solution
The fourth proportional to 235,317.14, 324,740.16 and 127,887.17 is: 176,485.65
Step by Step Solution
- Step 1: Write the proportion equation
235,317.14 : 324,740.16 = 127,887.17 : x - Step 2: Convert to fraction form
235,317.14/324,740.16 = 127,887.17/x - Step 3: Cross multiply
235,317.14x = 324,740.16 × 127,887.17 - Step 4: Simplify right side
235,317.14x = 41,530,098,424.05 - Step 5: Solve for x
x = 41,530,098,424.05/235,317.14 - Step 6: Final answer
x = 176,485.65
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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.