Finding the Fourth Proportional to 231,129.60, 346,305.60 and 197,692.80
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Solution
The fourth proportional to 231,129.60, 346,305.60 and 197,692.80 is: 296,206.65
Step by Step Solution
- Step 1: Write the proportion equation
231,129.60 : 346,305.60 = 197,692.80 : x - Step 2: Convert to fraction form
231,129.60/346,305.60 = 197,692.80/x - Step 3: Cross multiply
231,129.60x = 346,305.60 × 197,692.80 - Step 4: Simplify right side
231,129.60x = 68,462,123,719.68 - Step 5: Solve for x
x = 68,462,123,719.68/231,129.60 - Step 6: Final answer
x = 296,206.65
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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.