Finding the Fourth Proportional to 118,384.15, 177,575.01 and 68,432.46
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Solution
The fourth proportional to 118,384.15, 177,575.01 and 68,432.46 is: 102,647.99
Step by Step Solution
- Step 1: Write the proportion equation
118,384.15 : 177,575.01 = 68,432.46 : x - Step 2: Convert to fraction form
118,384.15/177,575.01 = 68,432.46/x - Step 3: Cross multiply
118,384.15x = 177,575.01 × 68,432.46 - Step 4: Simplify right side
118,384.15x = 12,151,894,768.82 - Step 5: Solve for x
x = 12,151,894,768.82/118,384.15 - Step 6: Final answer
x = 102,647.99
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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.