Finding the Fourth Proportional to 203,362.74, 280,494.84 and 134,372.28
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Solution
The fourth proportional to 203,362.74, 280,494.84 and 134,372.28 is: 185,337.45
Step by Step Solution
- Step 1: Write the proportion equation
203,362.74 : 280,494.84 = 134,372.28 : x - Step 2: Convert to fraction form
203,362.74/280,494.84 = 134,372.28/x - Step 3: Cross multiply
203,362.74x = 280,494.84 × 134,372.28 - Step 4: Simplify right side
203,362.74x = 37,690,731,179.04 - Step 5: Solve for x
x = 37,690,731,179.04/203,362.74 - Step 6: Final answer
x = 185,337.45
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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.