Finding the Fourth Proportional to 351,636.93, 485,257.77 and 190,491.80
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Solution
The fourth proportional to 351,636.93, 485,257.77 and 190,491.80 is: 262,878.03
Step by Step Solution
- Step 1: Write the proportion equation
351,636.93 : 485,257.77 = 190,491.80 : x - Step 2: Convert to fraction form
351,636.93/485,257.77 = 190,491.80/x - Step 3: Cross multiply
351,636.93x = 485,257.77 × 190,491.80 - Step 4: Simplify right side
351,636.93x = 92,437,623,645.00 - Step 5: Solve for x
x = 92,437,623,645.00/351,636.93 - Step 6: Final answer
x = 262,878.03
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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.