Finding the Fourth Proportional to 140,560.08, 210,839.93 and 45,790.09
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Solution
The fourth proportional to 140,560.08, 210,839.93 and 45,790.09 is: 68,685.08
Step by Step Solution
- Step 1: Write the proportion equation
140,560.08 : 210,839.93 = 45,790.09 : x - Step 2: Convert to fraction form
140,560.08/210,839.93 = 45,790.09/x - Step 3: Cross multiply
140,560.08x = 210,839.93 × 45,790.09 - Step 4: Simplify right side
140,560.08x = 9,654,379,971.93 - Step 5: Solve for x
x = 9,654,379,971.93/140,560.08 - Step 6: Final answer
x = 68,685.08
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1.5x scale
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.