Finding the Fourth Proportional to 122,354.76, 183,377.40 and 69,793.84
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Solution
The fourth proportional to 122,354.76, 183,377.40 and 69,793.84 is: 104,602.49
Step by Step Solution
- Step 1: Write the proportion equation
122,354.76 : 183,377.40 = 69,793.84 : x - Step 2: Convert to fraction form
122,354.76/183,377.40 = 69,793.84/x - Step 3: Cross multiply
122,354.76x = 183,377.40 × 69,793.84 - Step 4: Simplify right side
122,354.76x = 12,798,612,915.22 - Step 5: Solve for x
x = 12,798,612,915.22/122,354.76 - Step 6: Final answer
x = 104,602.49
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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.