Finding the Fourth Proportional to 301,059.08, 415,458.10 and 173,731.94
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Solution
The fourth proportional to 301,059.08, 415,458.10 and 173,731.94 is: 239,748.09
Step by Step Solution
- Step 1: Write the proportion equation
301,059.08 : 415,458.10 = 173,731.94 : x - Step 2: Convert to fraction form
301,059.08/415,458.10 = 173,731.94/x - Step 3: Cross multiply
301,059.08x = 415,458.10 × 173,731.94 - Step 4: Simplify right side
301,059.08x = 72,178,338,755.76 - Step 5: Solve for x
x = 72,178,338,755.76/301,059.08 - Step 6: Final answer
x = 239,748.09
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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.