Finding the Fourth Proportional to 343,109.80, 514,664.70 and 93,791.80
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Solution
The fourth proportional to 343,109.80, 514,664.70 and 93,791.80 is: 140,687.70
Step by Step Solution
- Step 1: Write the proportion equation
343,109.80 : 514,664.70 = 93,791.80 : x - Step 2: Convert to fraction form
343,109.80/514,664.70 = 93,791.80/x - Step 3: Cross multiply
343,109.80x = 514,664.70 × 93,791.80 - Step 4: Simplify right side
343,109.80x = 48,271,328,609.46 - Step 5: Solve for x
x = 48,271,328,609.46/343,109.80 - Step 6: Final answer
x = 140,687.70
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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.