Finding the Fourth Proportional to 302,261.75, 417,180.81 and 173,286.80
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Solution
The fourth proportional to 302,261.75, 417,180.81 and 173,286.80 is: 239,169.95
Step by Step Solution
- Step 1: Write the proportion equation
302,261.75 : 417,180.81 = 173,286.80 : x - Step 2: Convert to fraction form
302,261.75/417,180.81 = 173,286.80/x - Step 3: Cross multiply
302,261.75x = 417,180.81 × 173,286.80 - Step 4: Simplify right side
302,261.75x = 72,291,927,586.31 - Step 5: Solve for x
x = 72,291,927,586.31/302,261.75 - Step 6: Final answer
x = 239,169.95
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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.