Finding the Fourth Proportional to 171,865.64, 257,779.36 and 53,527.08
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Solution
The fourth proportional to 171,865.64, 257,779.36 and 53,527.08 is: 80,284.67
Step by Step Solution
- Step 1: Write the proportion equation
171,865.64 : 257,779.36 = 53,527.08 : x - Step 2: Convert to fraction form
171,865.64/257,779.36 = 53,527.08/x - Step 3: Cross multiply
171,865.64x = 257,779.36 × 53,527.08 - Step 4: Simplify right side
171,865.64x = 13,798,176,425.07 - Step 5: Solve for x
x = 13,798,176,425.07/171,865.64 - Step 6: Final answer
x = 80,284.67
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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.