Finding the Fourth Proportional to 118,916.19, 178,392.71 and 40,024.26
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Solution
The fourth proportional to 118,916.19, 178,392.71 and 40,024.26 is: 60,042.59
Step by Step Solution
- Step 1: Write the proportion equation
118,916.19 : 178,392.71 = 40,024.26 : x - Step 2: Convert to fraction form
118,916.19/178,392.71 = 40,024.26/x - Step 3: Cross multiply
118,916.19x = 178,392.71 × 40,024.26 - Step 4: Simplify right side
118,916.19x = 7,140,036,207.14 - Step 5: Solve for x
x = 7,140,036,207.14/118,916.19 - Step 6: Final answer
x = 60,042.59
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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.