Finding the Fourth Proportional to 222,317.93, 306,798.92 and 120,343.08
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Solution
The fourth proportional to 222,317.93, 306,798.92 and 120,343.08 is: 166,073.55
Step by Step Solution
- Step 1: Write the proportion equation
222,317.93 : 306,798.92 = 120,343.08 : x - Step 2: Convert to fraction form
222,317.93/306,798.92 = 120,343.08/x - Step 3: Cross multiply
222,317.93x = 306,798.92 × 120,343.08 - Step 4: Simplify right side
222,317.93x = 36,921,126,973.47 - Step 5: Solve for x
x = 36,921,126,973.47/222,317.93 - Step 6: Final answer
x = 166,073.55
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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.