Finding the Fourth Proportional to 193,157.13, 289,693.44 and 98,286.69
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Solution
The fourth proportional to 193,157.13, 289,693.44 and 98,286.69 is: 147,408.53
Step by Step Solution
- Step 1: Write the proportion equation
193,157.13 : 289,693.44 = 98,286.69 : x - Step 2: Convert to fraction form
193,157.13/289,693.44 = 98,286.69/x - Step 3: Cross multiply
193,157.13x = 289,693.44 × 98,286.69 - Step 4: Simplify right side
193,157.13x = 28,473,009,332.31 - Step 5: Solve for x
x = 28,473,009,332.31/193,157.13 - Step 6: Final answer
x = 147,408.53
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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.