Finding the Fourth Proportional to 276,672.70, 415,009.05 and 201,439.90
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Solution
The fourth proportional to 276,672.70, 415,009.05 and 201,439.90 is: 302,159.85
Step by Step Solution
- Step 1: Write the proportion equation
276,672.70 : 415,009.05 = 201,439.90 : x - Step 2: Convert to fraction form
276,672.70/415,009.05 = 201,439.90/x - Step 3: Cross multiply
276,672.70x = 415,009.05 × 201,439.90 - Step 4: Simplify right side
276,672.70x = 83,599,381,531.10 - Step 5: Solve for x
x = 83,599,381,531.10/276,672.70 - Step 6: Final answer
x = 302,159.85
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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.