Finding the Fourth Proportional to 291,072.98, 401,533.74 and 170,135.26
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Solution
The fourth proportional to 291,072.98, 401,533.74 and 170,135.26 is: 234,700.75
Step by Step Solution
- Step 1: Write the proportion equation
291,072.98 : 401,533.74 = 170,135.26 : x - Step 2: Convert to fraction form
291,072.98/401,533.74 = 170,135.26/x - Step 3: Cross multiply
291,072.98x = 401,533.74 × 170,135.26 - Step 4: Simplify right side
291,072.98x = 68,315,046,249.84 - Step 5: Solve for x
x = 68,315,046,249.84/291,072.98 - Step 6: Final answer
x = 234,700.75
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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.