Finding the Fourth Proportional to 132,779.99, 199,228.87 and 69,585.09
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Solution
The fourth proportional to 132,779.99, 199,228.87 and 69,585.09 is: 104,408.49
Step by Step Solution
- Step 1: Write the proportion equation
132,779.99 : 199,228.87 = 69,585.09 : x - Step 2: Convert to fraction form
132,779.99/199,228.87 = 69,585.09/x - Step 3: Cross multiply
132,779.99x = 199,228.87 × 69,585.09 - Step 4: Simplify right side
132,779.99x = 13,863,358,849.55 - Step 5: Solve for x
x = 13,863,358,849.55/132,779.99 - Step 6: Final answer
x = 104,408.49
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1.5x scale
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.