Finding the Fourth Proportional to 351,487.98, 485,053.68 and 190,343.19
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Solution
The fourth proportional to 351,487.98, 485,053.68 and 190,343.19 is: 262,673.75
Step by Step Solution
- Step 1: Write the proportion equation
351,487.98 : 485,053.68 = 190,343.19 : x - Step 2: Convert to fraction form
351,487.98/485,053.68 = 190,343.19/x - Step 3: Cross multiply
351,487.98x = 485,053.68 × 190,343.19 - Step 4: Simplify right side
351,487.98x = 92,326,664,772.44 - Step 5: Solve for x
x = 92,326,664,772.44/351,487.98 - Step 6: Final answer
x = 262,673.75
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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.