Finding the Fourth Proportional to 310,764.14, 466,169.71 and 86,121.98
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Solution
The fourth proportional to 310,764.14, 466,169.71 and 86,121.98 is: 129,189.48
Step by Step Solution
- Step 1: Write the proportion equation
310,764.14 : 466,169.71 = 86,121.98 : x - Step 2: Convert to fraction form
310,764.14/466,169.71 = 86,121.98/x - Step 3: Cross multiply
310,764.14x = 466,169.71 × 86,121.98 - Step 4: Simplify right side
310,764.14x = 40,147,458,441.23 - Step 5: Solve for x
x = 40,147,458,441.23/310,764.14 - Step 6: Final answer
x = 129,189.48
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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.