Finding the Fourth Proportional to 307,204.68, 460,806.66 and 85,588.68
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Solution
The fourth proportional to 307,204.68, 460,806.66 and 85,588.68 is: 128,382.92
Step by Step Solution
- Step 1: Write the proportion equation
307,204.68 : 460,806.66 = 85,588.68 : x - Step 2: Convert to fraction form
307,204.68/460,806.66 = 85,588.68/x - Step 3: Cross multiply
307,204.68x = 460,806.66 × 85,588.68 - Step 4: Simplify right side
307,204.68x = 39,439,833,764.61 - Step 5: Solve for x
x = 39,439,833,764.61/307,204.68 - Step 6: Final answer
x = 128,382.92
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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.