Finding the Fourth Proportional to 220,177.19, 330,397.01 and 79,946.75
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Solution
The fourth proportional to 220,177.19, 330,397.01 and 79,946.75 is: 119,967.77
Step by Step Solution
- Step 1: Write the proportion equation
220,177.19 : 330,397.01 = 79,946.75 : x - Step 2: Convert to fraction form
220,177.19/330,397.01 = 79,946.75/x - Step 3: Cross multiply
220,177.19x = 330,397.01 × 79,946.75 - Step 4: Simplify right side
220,177.19x = 26,414,165,107.50 - Step 5: Solve for x
x = 26,414,165,107.50/220,177.19 - Step 6: Final answer
x = 119,967.77
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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.