Finding the Fourth Proportional to 155,315.96, 214,334.93 and 88,247.96
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Solution
The fourth proportional to 155,315.96, 214,334.93 and 88,247.96 is: 121,781.56
Step by Step Solution
- Step 1: Write the proportion equation
155,315.96 : 214,334.93 = 88,247.96 : x - Step 2: Convert to fraction form
155,315.96/214,334.93 = 88,247.96/x - Step 3: Cross multiply
155,315.96x = 214,334.93 × 88,247.96 - Step 4: Simplify right side
155,315.96x = 18,914,619,478.19 - Step 5: Solve for x
x = 18,914,619,478.19/155,315.96 - Step 6: Final answer
x = 121,781.56
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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.