Finding the Fourth Proportional to 259,425.91, 357,953.07 and 157,504.96
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Solution
The fourth proportional to 259,425.91, 357,953.07 and 157,504.96 is: 217,323.64
Step by Step Solution
- Step 1: Write the proportion equation
259,425.91 : 357,953.07 = 157,504.96 : x - Step 2: Convert to fraction form
259,425.91/357,953.07 = 157,504.96/x - Step 3: Cross multiply
259,425.91x = 357,953.07 × 157,504.96 - Step 4: Simplify right side
259,425.91x = 56,379,383,972.23 - Step 5: Solve for x
x = 56,379,383,972.23/259,425.91 - Step 6: Final answer
x = 217,323.64
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1.5x scale
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.