Finding the Fourth Proportional to 122,952.40, 184,428.60 and 121,202.80
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Solution
The fourth proportional to 122,952.40, 184,428.60 and 121,202.80 is: 181,804.20
Step by Step Solution
- Step 1: Write the proportion equation
122,952.40 : 184,428.60 = 121,202.80 : x - Step 2: Convert to fraction form
122,952.40/184,428.60 = 121,202.80/x - Step 3: Cross multiply
122,952.40x = 184,428.60 × 121,202.80 - Step 4: Simplify right side
122,952.40x = 22,353,262,720.08 - Step 5: Solve for x
x = 22,353,262,720.08/122,952.40 - Step 6: Final answer
x = 181,804.20
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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.