Finding the Fourth Proportional to 135,886.08, 203,632.23 and 76,595.58
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Solution
The fourth proportional to 135,886.08, 203,632.23 and 76,595.58 is: 114,782.39
Step by Step Solution
- Step 1: Write the proportion equation
135,886.08 : 203,632.23 = 76,595.58 : x - Step 2: Convert to fraction form
135,886.08/203,632.23 = 76,595.58/x - Step 3: Cross multiply
135,886.08x = 203,632.23 × 76,595.58 - Step 4: Simplify right side
135,886.08x = 15,597,328,763.54 - Step 5: Solve for x
x = 15,597,328,763.54/135,886.08 - Step 6: Final answer
x = 114,782.39
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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.