Finding the Fourth Proportional to 207,463.28, 286,305.02 and 126,889.36
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Solution
The fourth proportional to 207,463.28, 286,305.02 and 126,889.36 is: 175,110.80
Step by Step Solution
- Step 1: Write the proportion equation
207,463.28 : 286,305.02 = 126,889.36 : x - Step 2: Convert to fraction form
207,463.28/286,305.02 = 126,889.36/x - Step 3: Cross multiply
207,463.28x = 286,305.02 × 126,889.36 - Step 4: Simplify right side
207,463.28x = 36,329,060,752.59 - Step 5: Solve for x
x = 36,329,060,752.59/207,463.28 - Step 6: Final answer
x = 175,110.80
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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.