Finding the Fourth Proportional to 542,091.98, 748,091.36 and 300,378.59
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Solution
The fourth proportional to 542,091.98, 748,091.36 and 300,378.59 is: 414,524.90
Step by Step Solution
- Step 1: Write the proportion equation
542,091.98 : 748,091.36 = 300,378.59 : x - Step 2: Convert to fraction form
542,091.98/748,091.36 = 300,378.59/x - Step 3: Cross multiply
542,091.98x = 748,091.36 × 300,378.59 - Step 4: Simplify right side
542,091.98x = 224,710,624,918.47 - Step 5: Solve for x
x = 224,710,624,918.47/542,091.98 - Step 6: Final answer
x = 414,524.90
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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.