Finding the Fourth Proportional to 207,358.40, 310,454.40 and 186,363.20
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Solution
The fourth proportional to 207,358.40, 310,454.40 and 186,363.20 is: 279,020.65
Step by Step Solution
- Step 1: Write the proportion equation
207,358.40 : 310,454.40 = 186,363.20 : x - Step 2: Convert to fraction form
207,358.40/310,454.40 = 186,363.20/x - Step 3: Cross multiply
207,358.40x = 310,454.40 × 186,363.20 - Step 4: Simplify right side
207,358.40x = 57,857,275,438.08 - Step 5: Solve for x
x = 57,857,275,438.08/207,358.40 - Step 6: Final answer
x = 279,020.65
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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.