Finding the Fourth Proportional to 391,186.56, 586,804.80 and 110,725.68
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Solution
The fourth proportional to 391,186.56, 586,804.80 and 110,725.68 is: 166,095.58
Step by Step Solution
- Step 1: Write the proportion equation
391,186.56 : 586,804.80 = 110,725.68 : x - Step 2: Convert to fraction form
391,186.56/586,804.80 = 110,725.68/x - Step 3: Cross multiply
391,186.56x = 586,804.80 × 110,725.68 - Step 4: Simplify right side
391,186.56x = 64,974,360,507.26 - Step 5: Solve for x
x = 64,974,360,507.26/391,186.56 - Step 6: Final answer
x = 166,095.58
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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.