Finding the Fourth Proportional to 276,692.70, 415,039.05 and 201,459.90
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Solution
The fourth proportional to 276,692.70, 415,039.05 and 201,459.90 is: 302,189.85
Step by Step Solution
- Step 1: Write the proportion equation
276,692.70 : 415,039.05 = 201,459.90 : x - Step 2: Convert to fraction form
276,692.70/415,039.05 = 201,459.90/x - Step 3: Cross multiply
276,692.70x = 415,039.05 × 201,459.90 - Step 4: Simplify right side
276,692.70x = 83,613,725,509.10 - Step 5: Solve for x
x = 83,613,725,509.10/276,692.70 - Step 6: Final answer
x = 302,189.85
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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.