Finding the Fourth Proportional to 312,090.99, 468,025.77 and 112,357.74
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Solution
The fourth proportional to 312,090.99, 468,025.77 and 112,357.74 is: 168,496.75
Step by Step Solution
- Step 1: Write the proportion equation
312,090.99 : 468,025.77 = 112,357.74 : x - Step 2: Convert to fraction form
312,090.99/468,025.77 = 112,357.74/x - Step 3: Cross multiply
312,090.99x = 468,025.77 × 112,357.74 - Step 4: Simplify right side
312,090.99x = 52,586,317,778.96 - Step 5: Solve for x
x = 52,586,317,778.96/312,090.99 - Step 6: Final answer
x = 168,496.75
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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.