Finding the Fourth Proportional to 240,010.37, 331,214.49 and 131,116.19
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Solution
The fourth proportional to 240,010.37, 331,214.49 and 131,116.19 is: 180,940.45
Step by Step Solution
- Step 1: Write the proportion equation
240,010.37 : 331,214.49 = 131,116.19 : x - Step 2: Convert to fraction form
240,010.37/331,214.49 = 131,116.19/x - Step 3: Cross multiply
240,010.37x = 331,214.49 × 131,116.19 - Step 4: Simplify right side
240,010.37x = 43,427,582,829.63 - Step 5: Solve for x
x = 43,427,582,829.63/240,010.37 - Step 6: Final answer
x = 180,940.45
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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.