Finding the Fourth Proportional to 132,862.19, 199,408.46 and 69,726.92
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Solution
The fourth proportional to 132,862.19, 199,408.46 and 69,726.92 is: 104,650.82
Step by Step Solution
- Step 1: Write the proportion equation
132,862.19 : 199,408.46 = 69,726.92 : x - Step 2: Convert to fraction form
132,862.19/199,408.46 = 69,726.92/x - Step 3: Cross multiply
132,862.19x = 199,408.46 × 69,726.92 - Step 4: Simplify right side
132,862.19x = 13,904,136,392.07 - Step 5: Solve for x
x = 13,904,136,392.07/132,862.19 - Step 6: Final answer
x = 104,650.82
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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.