Finding the Fourth Proportional to 163,882.20, 245,823.30 and 141,331.80
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Solution
The fourth proportional to 163,882.20, 245,823.30 and 141,331.80 is: 211,997.70
Step by Step Solution
- Step 1: Write the proportion equation
163,882.20 : 245,823.30 = 141,331.80 : x - Step 2: Convert to fraction form
163,882.20/245,823.30 = 141,331.80/x - Step 3: Cross multiply
163,882.20x = 245,823.30 × 141,331.80 - Step 4: Simplify right side
163,882.20x = 34,742,649,470.94 - Step 5: Solve for x
x = 34,742,649,470.94/163,882.20 - Step 6: Final answer
x = 211,997.70
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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.