Finding the Fourth Proportional to 177,721.75, 245,256.05 and 97,149.63
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Solution
The fourth proportional to 177,721.75, 245,256.05 and 97,149.63 is: 134,066.51
Step by Step Solution
- Step 1: Write the proportion equation
177,721.75 : 245,256.05 = 97,149.63 : x - Step 2: Convert to fraction form
177,721.75/245,256.05 = 97,149.63/x - Step 3: Cross multiply
177,721.75x = 245,256.05 × 97,149.63 - Step 4: Simplify right side
177,721.75x = 23,826,534,295.78 - Step 5: Solve for x
x = 23,826,534,295.78/177,721.75 - Step 6: Final answer
x = 134,066.51
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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.