Finding the Fourth Proportional to 306,876.40, 459,744.36 and 166,752.88
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Solution
The fourth proportional to 306,876.40, 459,744.36 and 166,752.88 is: 249,819.46
Step by Step Solution
- Step 1: Write the proportion equation
306,876.40 : 459,744.36 = 166,752.88 : x - Step 2: Convert to fraction form
306,876.40/459,744.36 = 166,752.88/x - Step 3: Cross multiply
306,876.40x = 459,744.36 × 166,752.88 - Step 4: Simplify right side
306,876.40x = 76,663,696,093.76 - Step 5: Solve for x
x = 76,663,696,093.76/306,876.40 - Step 6: Final answer
x = 249,819.46
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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.