Finding the Fourth Proportional to 146,226.98, 201,780.96 and 85,791.26
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Solution
The fourth proportional to 146,226.98, 201,780.96 and 85,791.26 is: 118,384.74
Step by Step Solution
- Step 1: Write the proportion equation
146,226.98 : 201,780.96 = 85,791.26 : x - Step 2: Convert to fraction form
146,226.98/201,780.96 = 85,791.26/x - Step 3: Cross multiply
146,226.98x = 201,780.96 × 85,791.26 - Step 4: Simplify right side
146,226.98x = 17,311,042,802.41 - Step 5: Solve for x
x = 17,311,042,802.41/146,226.98 - Step 6: Final answer
x = 118,384.74
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1.5x scale
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.