Finding the Fourth Proportional to 132,923.98, 183,428.62 and 79,207.80
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Solution
The fourth proportional to 132,923.98, 183,428.62 and 79,207.80 is: 109,302.91
Step by Step Solution
- Step 1: Write the proportion equation
132,923.98 : 183,428.62 = 79,207.80 : x - Step 2: Convert to fraction form
132,923.98/183,428.62 = 79,207.80/x - Step 3: Cross multiply
132,923.98x = 183,428.62 × 79,207.80 - Step 4: Simplify right side
132,923.98x = 14,528,977,447.24 - Step 5: Solve for x
x = 14,528,977,447.24/132,923.98 - Step 6: Final answer
x = 109,302.91
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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.