Finding the Fourth Proportional to 291,033.48, 401,620.26 and 170,246.28
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Solution
The fourth proportional to 291,033.48, 401,620.26 and 170,246.28 is: 234,936.39
Step by Step Solution
- Step 1: Write the proportion equation
291,033.48 : 401,620.26 = 170,246.28 : x - Step 2: Convert to fraction form
291,033.48/401,620.26 = 170,246.28/x - Step 3: Cross multiply
291,033.48x = 401,620.26 × 170,246.28 - Step 4: Simplify right side
291,033.48x = 68,374,355,237.63 - Step 5: Solve for x
x = 68,374,355,237.63/291,033.48 - Step 6: Final answer
x = 234,936.39
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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.