Finding the Fourth Proportional to 147,353.84, 203,348.16 and 80,285.84
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Solution
The fourth proportional to 147,353.84, 203,348.16 and 80,285.84 is: 110,794.38
Step by Step Solution
- Step 1: Write the proportion equation
147,353.84 : 203,348.16 = 80,285.84 : x - Step 2: Convert to fraction form
147,353.84/203,348.16 = 80,285.84/x - Step 3: Cross multiply
147,353.84x = 203,348.16 × 80,285.84 - Step 4: Simplify right side
147,353.84x = 16,325,977,838.05 - Step 5: Solve for x
x = 16,325,977,838.05/147,353.84 - Step 6: Final answer
x = 110,794.38
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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.