Finding the Fourth Proportional to 171,769.08, 257,619.71 and 57,905.62
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Solution
The fourth proportional to 171,769.08, 257,619.71 and 57,905.62 is: 86,846.99
Step by Step Solution
- Step 1: Write the proportion equation
171,769.08 : 257,619.71 = 57,905.62 : x - Step 2: Convert to fraction form
171,769.08/257,619.71 = 57,905.62/x - Step 3: Cross multiply
171,769.08x = 257,619.71 × 57,905.62 - Step 4: Simplify right side
171,769.08x = 14,917,627,454.14 - Step 5: Solve for x
x = 14,917,627,454.14/171,769.08 - Step 6: Final answer
x = 86,846.99
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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.