Finding the Fourth Proportional to 336,009.80, 504,014.70 and 149,385.80
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Solution
The fourth proportional to 336,009.80, 504,014.70 and 149,385.80 is: 224,078.70
Step by Step Solution
- Step 1: Write the proportion equation
336,009.80 : 504,014.70 = 149,385.80 : x - Step 2: Convert to fraction form
336,009.80/504,014.70 = 149,385.80/x - Step 3: Cross multiply
336,009.80x = 504,014.70 × 149,385.80 - Step 4: Simplify right side
336,009.80x = 75,292,639,171.26 - Step 5: Solve for x
x = 75,292,639,171.26/336,009.80 - Step 6: Final answer
x = 224,078.70
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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.