Finding the Fourth Proportional to 259,717.13, 358,431.51 and 146,561.75
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Solution
The fourth proportional to 259,717.13, 358,431.51 and 146,561.75 is: 202,267.56
Step by Step Solution
- Step 1: Write the proportion equation
259,717.13 : 358,431.51 = 146,561.75 : x - Step 2: Convert to fraction form
259,717.13/358,431.51 = 146,561.75/x - Step 3: Cross multiply
259,717.13x = 358,431.51 × 146,561.75 - Step 4: Simplify right side
259,717.13x = 52,532,349,360.74 - Step 5: Solve for x
x = 52,532,349,360.74/259,717.13 - Step 6: Final answer
x = 202,267.56
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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.