Finding the Fourth Proportional to 343,134.21, 514,766.03 and 129,965.94
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Solution
The fourth proportional to 343,134.21, 514,766.03 and 129,965.94 is: 194,973.42
Step by Step Solution
- Step 1: Write the proportion equation
343,134.21 : 514,766.03 = 129,965.94 : x - Step 2: Convert to fraction form
343,134.21/514,766.03 = 129,965.94/x - Step 3: Cross multiply
343,134.21x = 514,766.03 × 129,965.94 - Step 4: Simplify right side
343,134.21x = 66,902,050,319.19 - Step 5: Solve for x
x = 66,902,050,319.19/343,134.21 - Step 6: Final answer
x = 194,973.42
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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.