Finding the Fourth Proportional to 162,709.04, 224,512.64 and 91,092.08
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Solution
The fourth proportional to 162,709.04, 224,512.64 and 91,092.08 is: 125,692.61
Step by Step Solution
- Step 1: Write the proportion equation
162,709.04 : 224,512.64 = 91,092.08 : x - Step 2: Convert to fraction form
162,709.04/224,512.64 = 91,092.08/x - Step 3: Cross multiply
162,709.04x = 224,512.64 × 91,092.08 - Step 4: Simplify right side
162,709.04x = 20,451,323,363.89 - Step 5: Solve for x
x = 20,451,323,363.89/162,709.04 - Step 6: Final answer
x = 125,692.61
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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.