Finding the Fourth Proportional to 193,652.65, 289,940.24 and 98,678.07
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Solution
The fourth proportional to 193,652.65, 289,940.24 and 98,678.07 is: 147,742.59
Step by Step Solution
- Step 1: Write the proportion equation
193,652.65 : 289,940.24 = 98,678.07 : x - Step 2: Convert to fraction form
193,652.65/289,940.24 = 98,678.07/x - Step 3: Cross multiply
193,652.65x = 289,940.24 × 98,678.07 - Step 4: Simplify right side
193,652.65x = 28,610,744,360.69 - Step 5: Solve for x
x = 28,610,744,360.69/193,652.65 - Step 6: Final answer
x = 147,742.59
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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.