Finding the Fourth Proportional to 122,154.98, 183,440.50 and 79,532.96
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Solution
The fourth proportional to 122,154.98, 183,440.50 and 79,532.96 is: 119,434.88
Step by Step Solution
- Step 1: Write the proportion equation
122,154.98 : 183,440.50 = 79,532.96 : x - Step 2: Convert to fraction form
122,154.98/183,440.50 = 79,532.96/x - Step 3: Cross multiply
122,154.98x = 183,440.50 × 79,532.96 - Step 4: Simplify right side
122,154.98x = 14,589,565,948.88 - Step 5: Solve for x
x = 14,589,565,948.88/122,154.98 - Step 6: Final answer
x = 119,434.88
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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.