Finding the Fourth Proportional to 195,128.09, 292,482.17 and 127,634.70
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Solution
The fourth proportional to 195,128.09, 292,482.17 and 127,634.70 is: 191,314.71
Step by Step Solution
- Step 1: Write the proportion equation
195,128.09 : 292,482.17 = 127,634.70 : x - Step 2: Convert to fraction form
195,128.09/292,482.17 = 127,634.70/x - Step 3: Cross multiply
195,128.09x = 292,482.17 × 127,634.70 - Step 4: Simplify right side
195,128.09x = 37,330,874,023.30 - Step 5: Solve for x
x = 37,330,874,023.30/195,128.09 - Step 6: Final answer
x = 191,314.71
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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.