Finding the Fourth Proportional to 891,053.80, 1,336,580.70 and 226,205.80
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Solution
The fourth proportional to 891,053.80, 1,336,580.70 and 226,205.80 is: 339,308.70
Step by Step Solution
- Step 1: Write the proportion equation
891,053.80 : 1,336,580.70 = 226,205.80 : x - Step 2: Convert to fraction form
891,053.80/1,336,580.70 = 226,205.80/x - Step 3: Cross multiply
891,053.80x = 1,336,580.70 × 226,205.80 - Step 4: Simplify right side
891,053.80x = 302,342,306,508.06 - Step 5: Solve for x
x = 302,342,306,508.06/891,053.80 - Step 6: Final answer
x = 339,308.70
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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.