Finding the Fourth Proportional to 336,164.80, 471,811.70 and 336,164.80
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Solution
The fourth proportional to 336,164.80, 471,811.70 and 336,164.80 is: 471,811.70
Step by Step Solution
- Step 1: Write the proportion equation
336,164.80 : 471,811.70 = 336,164.80 : x - Step 2: Convert to fraction form
336,164.80/471,811.70 = 336,164.80/x - Step 3: Cross multiply
336,164.80x = 471,811.70 × 336,164.80 - Step 4: Simplify right side
336,164.80x = 158,606,485,768.16 - Step 5: Solve for x
x = 158,606,485,768.16/336,164.80 - Step 6: Final answer
x = 471,811.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.