Finding the Fourth Proportional to 135,338.74, 203,036.13 and 40,565.09
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Solution
The fourth proportional to 135,338.74, 203,036.13 and 40,565.09 is: 60,856.04
Step by Step Solution
- Step 1: Write the proportion equation
135,338.74 : 203,036.13 = 40,565.09 : x - Step 2: Convert to fraction form
135,338.74/203,036.13 = 40,565.09/x - Step 3: Cross multiply
135,338.74x = 203,036.13 × 40,565.09 - Step 4: Simplify right side
135,338.74x = 8,236,179,394.29 - Step 5: Solve for x
x = 8,236,179,394.29/135,338.74 - Step 6: Final answer
x = 60,856.04
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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.