Finding the Fourth Proportional to 393,190.09, 542,584.44 and 240,484.03
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Solution
The fourth proportional to 393,190.09, 542,584.44 and 240,484.03 is: 331,857.02
Step by Step Solution
- Step 1: Write the proportion equation
393,190.09 : 542,584.44 = 240,484.03 : x - Step 2: Convert to fraction form
393,190.09/542,584.44 = 240,484.03/x - Step 3: Cross multiply
393,190.09x = 542,584.44 × 240,484.03 - Step 4: Simplify right side
393,190.09x = 130,482,892,746.49 - Step 5: Solve for x
x = 130,482,892,746.49/393,190.09 - Step 6: Final answer
x = 331,857.02
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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.