Finding the Fourth Proportional to 321,770.96, 482,719.35 and 97,149.68
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Solution
The fourth proportional to 321,770.96, 482,719.35 and 97,149.68 is: 145,743.51
Step by Step Solution
- Step 1: Write the proportion equation
321,770.96 : 482,719.35 = 97,149.68 : x - Step 2: Convert to fraction form
321,770.96/482,719.35 = 97,149.68/x - Step 3: Cross multiply
321,770.96x = 482,719.35 × 97,149.68 - Step 4: Simplify right side
321,770.96x = 46,896,030,382.31 - Step 5: Solve for x
x = 46,896,030,382.31/321,770.96 - Step 6: Final answer
x = 145,743.51
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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.