Finding the Fourth Proportional to 329,854.79, 455,200.49 and 178,951.79
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Solution
The fourth proportional to 329,854.79, 455,200.49 and 178,951.79 is: 246,953.95
Step by Step Solution
- Step 1: Write the proportion equation
329,854.79 : 455,200.49 = 178,951.79 : x - Step 2: Convert to fraction form
329,854.79/455,200.49 = 178,951.79/x - Step 3: Cross multiply
329,854.79x = 455,200.49 × 178,951.79 - Step 4: Simplify right side
329,854.79x = 81,458,942,494.38 - Step 5: Solve for x
x = 81,458,942,494.38/329,854.79 - Step 6: Final answer
x = 246,953.95
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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.