Finding the Fourth Proportional to 193,779.36, 267,488.58 and 113,233.06
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Solution
The fourth proportional to 193,779.36, 267,488.58 and 113,233.06 is: 156,304.32
Step by Step Solution
- Step 1: Write the proportion equation
193,779.36 : 267,488.58 = 113,233.06 : x - Step 2: Convert to fraction form
193,779.36/267,488.58 = 113,233.06/x - Step 3: Cross multiply
193,779.36x = 267,488.58 × 113,233.06 - Step 4: Simplify right side
193,779.36x = 30,288,550,428.45 - Step 5: Solve for x
x = 30,288,550,428.45/193,779.36 - Step 6: Final answer
x = 156,304.32
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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.