Finding the Fourth Proportional to 162,313.91, 223,988.99 and 90,694.52
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Solution
The fourth proportional to 162,313.91, 223,988.99 and 90,694.52 is: 125,156.09
Step by Step Solution
- Step 1: Write the proportion equation
162,313.91 : 223,988.99 = 90,694.52 : x - Step 2: Convert to fraction form
162,313.91/223,988.99 = 90,694.52/x - Step 3: Cross multiply
162,313.91x = 223,988.99 × 90,694.52 - Step 4: Simplify right side
162,313.91x = 20,314,573,600.10 - Step 5: Solve for x
x = 20,314,573,600.10/162,313.91 - Step 6: Final answer
x = 125,156.09
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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.