Finding the Fourth Proportional to 122,984.20, 184,476.30 and 73,217.80
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Solution
The fourth proportional to 122,984.20, 184,476.30 and 73,217.80 is: 109,826.70
Step by Step Solution
- Step 1: Write the proportion equation
122,984.20 : 184,476.30 = 73,217.80 : x - Step 2: Convert to fraction form
122,984.20/184,476.30 = 73,217.80/x - Step 3: Cross multiply
122,984.20x = 184,476.30 × 73,217.80 - Step 4: Simplify right side
122,984.20x = 13,506,948,838.14 - Step 5: Solve for x
x = 13,506,948,838.14/122,984.20 - Step 6: Final answer
x = 109,826.70
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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.