Finding the Fourth Proportional to 302,122.94, 416,920.84 and 166,156.74
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Solution
The fourth proportional to 302,122.94, 416,920.84 and 166,156.74 is: 229,291.45
Step by Step Solution
- Step 1: Write the proportion equation
302,122.94 : 416,920.84 = 166,156.74 : x - Step 2: Convert to fraction form
302,122.94/416,920.84 = 166,156.74/x - Step 3: Cross multiply
302,122.94x = 416,920.84 × 166,156.74 - Step 4: Simplify right side
302,122.94x = 69,274,207,197.07 - Step 5: Solve for x
x = 69,274,207,197.07/302,122.94 - Step 6: Final answer
x = 229,291.45
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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.