Finding the Fourth Proportional to 171,124.99, 236,057.68 and 99,497.09
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Solution
The fourth proportional to 171,124.99, 236,057.68 and 99,497.09 is: 137,250.86
Step by Step Solution
- Step 1: Write the proportion equation
171,124.99 : 236,057.68 = 99,497.09 : x - Step 2: Convert to fraction form
171,124.99/236,057.68 = 99,497.09/x - Step 3: Cross multiply
171,124.99x = 236,057.68 × 99,497.09 - Step 4: Simplify right side
171,124.99x = 23,487,051,734.67 - Step 5: Solve for x
x = 23,487,051,734.67/171,124.99 - Step 6: Final answer
x = 137,250.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.