Finding the Fourth Proportional to 171,782.17, 236,904.06 and 107,257.23
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Solution
The fourth proportional to 171,782.17, 236,904.06 and 107,257.23 is: 147,917.99
Step by Step Solution
- Step 1: Write the proportion equation
171,782.17 : 236,904.06 = 107,257.23 : x - Step 2: Convert to fraction form
171,782.17/236,904.06 = 107,257.23/x - Step 3: Cross multiply
171,782.17x = 236,904.06 × 107,257.23 - Step 4: Simplify right side
171,782.17x = 25,409,673,251.35 - Step 5: Solve for x
x = 25,409,673,251.35/171,782.17 - Step 6: Final answer
x = 147,917.99
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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.