Finding the Fourth Proportional to 132,779.89, 199,228.71 and 69,584.99
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Solution
The fourth proportional to 132,779.89, 199,228.71 and 69,584.99 is: 104,408.34
Step by Step Solution
- Step 1: Write the proportion equation
132,779.89 : 199,228.71 = 69,584.99 : x - Step 2: Convert to fraction form
132,779.89/199,228.71 = 69,584.99/x - Step 3: Cross multiply
132,779.89x = 199,228.71 × 69,584.99 - Step 4: Simplify right side
132,779.89x = 13,863,327,787.11 - Step 5: Solve for x
x = 13,863,327,787.11/132,779.89 - Step 6: Final answer
x = 104,408.34
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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.