Finding the Fourth Proportional to 351,478.44, 527,108.62 and 126,809.68
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Solution
The fourth proportional to 351,478.44, 527,108.62 and 126,809.68 is: 190,175.18
Step by Step Solution
- Step 1: Write the proportion equation
351,478.44 : 527,108.62 = 126,809.68 : x - Step 2: Convert to fraction form
351,478.44/527,108.62 = 126,809.68/x - Step 3: Cross multiply
351,478.44x = 527,108.62 × 126,809.68 - Step 4: Simplify right side
351,478.44x = 66,842,475,427.44 - Step 5: Solve for x
x = 66,842,475,427.44/351,478.44 - Step 6: Final answer
x = 190,175.18
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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.