Finding the Fourth Proportional to 201,167.12, 301,751.09 and 74,835.07
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Solution
The fourth proportional to 201,167.12, 301,751.09 and 74,835.07 is: 112,252.75
Step by Step Solution
- Step 1: Write the proportion equation
201,167.12 : 301,751.09 = 74,835.07 : x - Step 2: Convert to fraction form
201,167.12/301,751.09 = 74,835.07/x - Step 3: Cross multiply
201,167.12x = 301,751.09 × 74,835.07 - Step 4: Simplify right side
201,167.12x = 22,581,563,094.80 - Step 5: Solve for x
x = 22,581,563,094.80/201,167.12 - Step 6: Final answer
x = 112,252.75
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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.