Finding the Fourth Proportional to 133,811.57, 184,662.51 and 73,378.62
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Solution
The fourth proportional to 133,811.57, 184,662.51 and 73,378.62 is: 101,263.89
Step by Step Solution
- Step 1: Write the proportion equation
133,811.57 : 184,662.51 = 73,378.62 : x - Step 2: Convert to fraction form
133,811.57/184,662.51 = 73,378.62/x - Step 3: Cross multiply
133,811.57x = 184,662.51 × 73,378.62 - Step 4: Simplify right side
133,811.57x = 13,550,280,149.54 - Step 5: Solve for x
x = 13,550,280,149.54/133,811.57 - Step 6: Final answer
x = 101,263.89
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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.