Finding the Fourth Proportional to 155,955.06, 233,769.77 and 113,157.09
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Solution
The fourth proportional to 155,955.06, 233,769.77 and 113,157.09 is: 169,617.50
Step by Step Solution
- Step 1: Write the proportion equation
155,955.06 : 233,769.77 = 113,157.09 : x - Step 2: Convert to fraction form
155,955.06/233,769.77 = 113,157.09/x - Step 3: Cross multiply
155,955.06x = 233,769.77 × 113,157.09 - Step 4: Simplify right side
155,955.06x = 26,452,706,309.43 - Step 5: Solve for x
x = 26,452,706,309.43/155,955.06 - Step 6: Final answer
x = 169,617.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.