Finding the Fourth Proportional to 189,054.48, 260,913.57 and 141,224.79
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Solution
The fourth proportional to 189,054.48, 260,913.57 and 141,224.79 is: 194,903.95
Step by Step Solution
- Step 1: Write the proportion equation
189,054.48 : 260,913.57 = 141,224.79 : x - Step 2: Convert to fraction form
189,054.48/260,913.57 = 141,224.79/x - Step 3: Cross multiply
189,054.48x = 260,913.57 × 141,224.79 - Step 4: Simplify right side
189,054.48x = 36,847,464,131.40 - Step 5: Solve for x
x = 36,847,464,131.40/189,054.48 - Step 6: Final answer
x = 194,903.95
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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.