Finding the Fourth Proportional to 287,887.76, 431,886.99 and 110,380.92
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Solution
The fourth proportional to 287,887.76, 431,886.99 and 110,380.92 is: 165,592.60
Step by Step Solution
- Step 1: Write the proportion equation
287,887.76 : 431,886.99 = 110,380.92 : x - Step 2: Convert to fraction form
287,887.76/431,886.99 = 110,380.92/x - Step 3: Cross multiply
287,887.76x = 431,886.99 × 110,380.92 - Step 4: Simplify right side
287,887.76x = 47,672,083,292.23 - Step 5: Solve for x
x = 47,672,083,292.23/287,887.76 - Step 6: Final answer
x = 165,592.60
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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.