Finding the Fourth Proportional to 272,201.70, 407,504.11 and 190,866.70
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Solution
The fourth proportional to 272,201.70, 407,504.11 and 190,866.70 is: 285,740.18
Step by Step Solution
- Step 1: Write the proportion equation
272,201.70 : 407,504.11 = 190,866.70 : x - Step 2: Convert to fraction form
272,201.70/407,504.11 = 190,866.70/x - Step 3: Cross multiply
272,201.70x = 407,504.11 × 190,866.70 - Step 4: Simplify right side
272,201.70x = 77,778,963,216.21 - Step 5: Solve for x
x = 77,778,963,216.21/272,201.70 - Step 6: Final answer
x = 285,740.18
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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.