Finding the Fourth Proportional to 306,811.14, 423,530.01 and 206,267.46
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Solution
The fourth proportional to 306,811.14, 423,530.01 and 206,267.46 is: 284,736.92
Step by Step Solution
- Step 1: Write the proportion equation
306,811.14 : 423,530.01 = 206,267.46 : x - Step 2: Convert to fraction form
306,811.14/423,530.01 = 206,267.46/x - Step 3: Cross multiply
306,811.14x = 423,530.01 × 206,267.46 - Step 4: Simplify right side
306,811.14x = 87,360,459,396.47 - Step 5: Solve for x
x = 87,360,459,396.47/306,811.14 - Step 6: Final answer
x = 284,736.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.