Finding the Fourth Proportional to 171,866.64, 257,780.84 and 53,528.08
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Solution
The fourth proportional to 171,866.64, 257,780.84 and 53,528.08 is: 80,286.17
Step by Step Solution
- Step 1: Write the proportion equation
171,866.64 : 257,780.84 = 53,528.08 : x - Step 2: Convert to fraction form
171,866.64/257,780.84 = 53,528.08/x - Step 3: Cross multiply
171,866.64x = 257,780.84 × 53,528.08 - Step 4: Simplify right side
171,866.64x = 13,798,513,425.99 - Step 5: Solve for x
x = 13,798,513,425.99/171,866.64 - Step 6: Final answer
x = 80,286.17
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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.