Finding the Fourth Proportional to 118,896.47, 178,292.84 and 44,972.63
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Solution
The fourth proportional to 118,896.47, 178,292.84 and 44,972.63 is: 67,439.32
Step by Step Solution
- Step 1: Write the proportion equation
118,896.47 : 178,292.84 = 44,972.63 : x - Step 2: Convert to fraction form
118,896.47/178,292.84 = 44,972.63/x - Step 3: Cross multiply
118,896.47x = 178,292.84 × 44,972.63 - Step 4: Simplify right side
118,896.47x = 8,018,296,808.64 - Step 5: Solve for x
x = 8,018,296,808.64/118,896.47 - Step 6: Final answer
x = 67,439.32
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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.