Finding the Fourth Proportional to 507,160.88, 699,883.20 and 277,733.19
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Solution
The fourth proportional to 507,160.88, 699,883.20 and 277,733.19 is: 383,272.46
Step by Step Solution
- Step 1: Write the proportion equation
507,160.88 : 699,883.20 = 277,733.19 : x - Step 2: Convert to fraction form
507,160.88/699,883.20 = 277,733.19/x - Step 3: Cross multiply
507,160.88x = 699,883.20 × 277,733.19 - Step 4: Simplify right side
507,160.88x = 194,380,793,763.41 - Step 5: Solve for x
x = 194,380,793,763.41/507,160.88 - Step 6: Final answer
x = 383,272.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.