Finding the Fourth Proportional to 154,372.55, 231,526.42 and 43,538.63
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Solution
The fourth proportional to 154,372.55, 231,526.42 and 43,538.63 is: 65,298.80
Step by Step Solution
- Step 1: Write the proportion equation
154,372.55 : 231,526.42 = 43,538.63 : x - Step 2: Convert to fraction form
154,372.55/231,526.42 = 43,538.63/x - Step 3: Cross multiply
154,372.55x = 231,526.42 × 43,538.63 - Step 4: Simplify right side
154,372.55x = 10,080,341,869.13 - Step 5: Solve for x
x = 10,080,341,869.13/154,372.55 - Step 6: Final answer
x = 65,298.80
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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.