Finding the Fourth Proportional to 274,805.10, 412,207.65 and 228,149.10
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Solution
The fourth proportional to 274,805.10, 412,207.65 and 228,149.10 is: 342,223.65
Step by Step Solution
- Step 1: Write the proportion equation
274,805.10 : 412,207.65 = 228,149.10 : x - Step 2: Convert to fraction form
274,805.10/412,207.65 = 228,149.10/x - Step 3: Cross multiply
274,805.10x = 412,207.65 × 228,149.10 - Step 4: Simplify right side
274,805.10x = 94,044,804,360.62 - Step 5: Solve for x
x = 94,044,804,360.62/274,805.10 - Step 6: Final answer
x = 342,223.65
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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.