Finding the Fourth Proportional to 307,157.08, 460,733.76 and 79,452.70
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Solution
The fourth proportional to 307,157.08, 460,733.76 and 79,452.70 is: 119,178.57
Step by Step Solution
- Step 1: Write the proportion equation
307,157.08 : 460,733.76 = 79,452.70 : x - Step 2: Convert to fraction form
307,157.08/460,733.76 = 79,452.70/x - Step 3: Cross multiply
307,157.08x = 460,733.76 × 79,452.70 - Step 4: Simplify right side
307,157.08x = 36,606,541,213.15 - Step 5: Solve for x
x = 36,606,541,213.15/307,157.08 - Step 6: Final answer
x = 119,178.57
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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.