Finding the Fourth Proportional to 297,844.26, 411,027.77 and 161,878.53
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Solution
The fourth proportional to 297,844.26, 411,027.77 and 161,878.53 is: 223,393.83
Step by Step Solution
- Step 1: Write the proportion equation
297,844.26 : 411,027.77 = 161,878.53 : x - Step 2: Convert to fraction form
297,844.26/411,027.77 = 161,878.53/x - Step 3: Cross multiply
297,844.26x = 411,027.77 × 161,878.53 - Step 4: Simplify right side
297,844.26x = 66,536,571,196.78 - Step 5: Solve for x
x = 66,536,571,196.78/297,844.26 - Step 6: Final answer
x = 223,393.83
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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.