Finding the Fourth Proportional to 211,362.84, 291,692.75 and 125,372.84
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Solution
The fourth proportional to 211,362.84, 291,692.75 and 125,372.84 is: 173,021.65
Step by Step Solution
- Step 1: Write the proportion equation
211,362.84 : 291,692.75 = 125,372.84 : x - Step 2: Convert to fraction form
211,362.84/291,692.75 = 125,372.84/x - Step 3: Cross multiply
211,362.84x = 291,692.75 × 125,372.84 - Step 4: Simplify right side
211,362.84x = 36,570,346,389.58 - Step 5: Solve for x
x = 36,570,346,389.58/211,362.84 - Step 6: Final answer
x = 173,021.65
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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.