Finding the Fourth Proportional to 372,707.60, 559,207.20 and 136,074.20
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Solution
The fourth proportional to 372,707.60, 559,207.20 and 136,074.20 is: 204,164.53
Step by Step Solution
- Step 1: Write the proportion equation
372,707.60 : 559,207.20 = 136,074.20 : x - Step 2: Convert to fraction form
372,707.60/559,207.20 = 136,074.20/x - Step 3: Cross multiply
372,707.60x = 559,207.20 × 136,074.20 - Step 4: Simplify right side
372,707.60x = 76,093,672,374.24 - Step 5: Solve for x
x = 76,093,672,374.24/372,707.60 - Step 6: Final answer
x = 204,164.53
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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.