Finding the Fourth Proportional to 234,309.60, 351,697.68 and 129,178.08
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Solution
The fourth proportional to 234,309.60, 351,697.68 and 129,178.08 is: 193,895.73
Step by Step Solution
- Step 1: Write the proportion equation
234,309.60 : 351,697.68 = 129,178.08 : x - Step 2: Convert to fraction form
234,309.60/351,697.68 = 129,178.08/x - Step 3: Cross multiply
234,309.60x = 351,697.68 × 129,178.08 - Step 4: Simplify right side
234,309.60x = 45,431,631,042.85 - Step 5: Solve for x
x = 45,431,631,042.85/234,309.60 - Step 6: Final answer
x = 193,895.73
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1.5x scale
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.