Finding the Fourth Proportional to 195,202.96, 292,874.68 and 76,808.72
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Solution
The fourth proportional to 195,202.96, 292,874.68 and 76,808.72 is: 115,240.72
Step by Step Solution
- Step 1: Write the proportion equation
195,202.96 : 292,874.68 = 76,808.72 : x - Step 2: Convert to fraction form
195,202.96/292,874.68 = 76,808.72/x - Step 3: Cross multiply
195,202.96x = 292,874.68 × 76,808.72 - Step 4: Simplify right side
195,202.96x = 22,495,329,291.21 - Step 5: Solve for x
x = 22,495,329,291.21/195,202.96 - Step 6: Final answer
x = 115,240.72
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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.