Finding the Fourth Proportional to 189,243.99, 283,613.79 and 89,430.68
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Solution
The fourth proportional to 189,243.99, 283,613.79 and 89,430.68 is: 134,026.84
Step by Step Solution
- Step 1: Write the proportion equation
189,243.99 : 283,613.79 = 89,430.68 : x - Step 2: Convert to fraction form
189,243.99/283,613.79 = 89,430.68/x - Step 3: Cross multiply
189,243.99x = 283,613.79 × 89,430.68 - Step 4: Simplify right side
189,243.99x = 25,363,774,097.08 - Step 5: Solve for x
x = 25,363,774,097.08/189,243.99 - Step 6: Final answer
x = 134,026.84
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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.