Finding the Fourth Proportional to 186,740.48, 257,628.43 and 114,995.95
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Solution
The fourth proportional to 186,740.48, 257,628.43 and 114,995.95 is: 158,649.19
Step by Step Solution
- Step 1: Write the proportion equation
186,740.48 : 257,628.43 = 114,995.95 : x - Step 2: Convert to fraction form
186,740.48/257,628.43 = 114,995.95/x - Step 3: Cross multiply
186,740.48x = 257,628.43 × 114,995.95 - Step 4: Simplify right side
186,740.48x = 29,626,225,554.53 - Step 5: Solve for x
x = 29,626,225,554.53/186,740.48 - Step 6: Final answer
x = 158,649.19
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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.