Finding the Fourth Proportional to 232,381.28, 320,692.55 and 130,412.99
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Solution
The fourth proportional to 232,381.28, 320,692.55 and 130,412.99 is: 179,973.51
Step by Step Solution
- Step 1: Write the proportion equation
232,381.28 : 320,692.55 = 130,412.99 : x - Step 2: Convert to fraction form
232,381.28/320,692.55 = 130,412.99/x - Step 3: Cross multiply
232,381.28x = 320,692.55 × 130,412.99 - Step 4: Simplify right side
232,381.28x = 41,822,474,465.89 - Step 5: Solve for x
x = 41,822,474,465.89/232,381.28 - Step 6: Final answer
x = 179,973.51
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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.