Finding the Fourth Proportional to 220,503.50, 330,339.04 and 130,276.99
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Solution
The fourth proportional to 220,503.50, 330,339.04 and 130,276.99 is: 195,169.58
Step by Step Solution
- Step 1: Write the proportion equation
220,503.50 : 330,339.04 = 130,276.99 : x - Step 2: Convert to fraction form
220,503.50/330,339.04 = 130,276.99/x - Step 3: Cross multiply
220,503.50x = 330,339.04 × 130,276.99 - Step 4: Simplify right side
220,503.50x = 43,035,575,810.69 - Step 5: Solve for x
x = 43,035,575,810.69/220,503.50 - Step 6: Final answer
x = 195,169.58
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1.5x scale
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.