Finding the Fourth Proportional to 279,515.84, 385,671.84 and 166,316.48
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Solution
The fourth proportional to 279,515.84, 385,671.84 and 166,316.48 is: 229,481.03
Step by Step Solution
- Step 1: Write the proportion equation
279,515.84 : 385,671.84 = 166,316.48 : x - Step 2: Convert to fraction form
279,515.84/385,671.84 = 166,316.48/x - Step 3: Cross multiply
279,515.84x = 385,671.84 × 166,316.48 - Step 4: Simplify right side
279,515.84x = 64,143,582,863.92 - Step 5: Solve for x
x = 64,143,582,863.92/279,515.84 - Step 6: Final answer
x = 229,481.03
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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.