Finding the Fourth Proportional to 133,575.23, 184,334.15 and 72,322.09
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Solution
The fourth proportional to 133,575.23, 184,334.15 and 72,322.09 is: 99,804.66
Step by Step Solution
- Step 1: Write the proportion equation
133,575.23 : 184,334.15 = 72,322.09 : x - Step 2: Convert to fraction form
133,575.23/184,334.15 = 72,322.09/x - Step 3: Cross multiply
133,575.23x = 184,334.15 × 72,322.09 - Step 4: Simplify right side
133,575.23x = 13,331,430,986.37 - Step 5: Solve for x
x = 13,331,430,986.37/133,575.23 - Step 6: Final answer
x = 99,804.66
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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.