Finding the Fourth Proportional to 375,450.35, 563,170.40 and 91,143.09
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Solution
The fourth proportional to 375,450.35, 563,170.40 and 91,143.09 is: 136,713.39
Step by Step Solution
- Step 1: Write the proportion equation
375,450.35 : 563,170.40 = 91,143.09 : x - Step 2: Convert to fraction form
375,450.35/563,170.40 = 91,143.09/x - Step 3: Cross multiply
375,450.35x = 563,170.40 × 91,143.09 - Step 4: Simplify right side
375,450.35x = 51,329,090,452.54 - Step 5: Solve for x
x = 51,329,090,452.54/375,450.35 - Step 6: Final answer
x = 136,713.39
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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.