Finding the Fourth Proportional to 215,916.63, 297,963.29 and 119,124.57
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Solution
The fourth proportional to 215,916.63, 297,963.29 and 119,124.57 is: 164,390.99
Step by Step Solution
- Step 1: Write the proportion equation
215,916.63 : 297,963.29 = 119,124.57 : x - Step 2: Convert to fraction form
215,916.63/297,963.29 = 119,124.57/x - Step 3: Cross multiply
215,916.63x = 297,963.29 × 119,124.57 - Step 4: Simplify right side
215,916.63x = 35,494,748,201.41 - Step 5: Solve for x
x = 35,494,748,201.41/215,916.63 - Step 6: Final answer
x = 164,390.99
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1.5x scale
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.