Finding the Fourth Proportional to 133,795.20, 184,639.20 and 73,364.88
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Solution
The fourth proportional to 133,795.20, 184,639.20 and 73,364.88 is: 101,244.53
Step by Step Solution
- Step 1: Write the proportion equation
133,795.20 : 184,639.20 = 73,364.88 : x - Step 2: Convert to fraction form
133,795.20/184,639.20 = 73,364.88/x - Step 3: Cross multiply
133,795.20x = 184,639.20 × 73,364.88 - Step 4: Simplify right side
133,795.20x = 13,546,032,751.30 - Step 5: Solve for x
x = 13,546,032,751.30/133,795.20 - Step 6: Final answer
x = 101,244.53
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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.