Finding the Fourth Proportional to 171,496.07, 257,402.00 and 87,316.40
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Solution
The fourth proportional to 171,496.07, 257,402.00 and 87,316.40 is: 131,054.99
Step by Step Solution
- Step 1: Write the proportion equation
171,496.07 : 257,402.00 = 87,316.40 : x - Step 2: Convert to fraction form
171,496.07/257,402.00 = 87,316.40/x - Step 3: Cross multiply
171,496.07x = 257,402.00 × 87,316.40 - Step 4: Simplify right side
171,496.07x = 22,475,415,556.22 - Step 5: Solve for x
x = 22,475,415,556.22/171,496.07 - Step 6: Final answer
x = 131,054.99
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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.