Finding the Fourth Proportional to 115,549.60, 159,532.56 and 94,379.68
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Solution
The fourth proportional to 115,549.60, 159,532.56 and 94,379.68 is: 130,304.49
Step by Step Solution
- Step 1: Write the proportion equation
115,549.60 : 159,532.56 = 94,379.68 : x - Step 2: Convert to fraction form
115,549.60/159,532.56 = 94,379.68/x - Step 3: Cross multiply
115,549.60x = 159,532.56 × 94,379.68 - Step 4: Simplify right side
115,549.60x = 15,056,631,962.38 - Step 5: Solve for x
x = 15,056,631,962.38/115,549.60 - Step 6: Final answer
x = 130,304.49
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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.