Finding the Fourth Proportional to 222,476.99, 307,017.47 and 120,502.19
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Solution
The fourth proportional to 222,476.99, 307,017.47 and 120,502.19 is: 166,292.60
Step by Step Solution
- Step 1: Write the proportion equation
222,476.99 : 307,017.47 = 120,502.19 : x - Step 2: Convert to fraction form
222,476.99/307,017.47 = 120,502.19/x - Step 3: Cross multiply
222,476.99x = 307,017.47 × 120,502.19 - Step 4: Simplify right side
222,476.99x = 36,996,275,365.66 - Step 5: Solve for x
x = 36,996,275,365.66/222,476.99 - Step 6: Final answer
x = 166,292.60
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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.