Finding the Fourth Proportional to 576,106.20, 863,430.30 and 220,645.80
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Solution
The fourth proportional to 576,106.20, 863,430.30 and 220,645.80 is: 330,689.50
Step by Step Solution
- Step 1: Write the proportion equation
576,106.20 : 863,430.30 = 220,645.80 : x - Step 2: Convert to fraction form
576,106.20/863,430.30 = 220,645.80/x - Step 3: Cross multiply
576,106.20x = 863,430.30 × 220,645.80 - Step 4: Simplify right side
576,106.20x = 190,512,269,287.74 - Step 5: Solve for x
x = 190,512,269,287.74/576,106.20 - Step 6: Final answer
x = 330,689.50
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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.