Finding the Fourth Proportional to 122,967.19, 184,423.10 and 80,259.18
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Solution
The fourth proportional to 122,967.19, 184,423.10 and 80,259.18 is: 120,370.70
Step by Step Solution
- Step 1: Write the proportion equation
122,967.19 : 184,423.10 = 80,259.18 : x - Step 2: Convert to fraction form
122,967.19/184,423.10 = 80,259.18/x - Step 3: Cross multiply
122,967.19x = 184,423.10 × 80,259.18 - Step 4: Simplify right side
122,967.19x = 14,801,646,882.05 - Step 5: Solve for x
x = 14,801,646,882.05/122,967.19 - Step 6: Final answer
x = 120,370.70
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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.