Finding the Fourth Proportional to 258,324.24, 387,475.84 and 89,883.12
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Solution
The fourth proportional to 258,324.24, 387,475.84 and 89,883.12 is: 134,821.02
Step by Step Solution
- Step 1: Write the proportion equation
258,324.24 : 387,475.84 = 89,883.12 : x - Step 2: Convert to fraction form
258,324.24/387,475.84 = 89,883.12/x - Step 3: Cross multiply
258,324.24x = 387,475.84 × 89,883.12 - Step 4: Simplify right side
258,324.24x = 34,827,537,423.82 - Step 5: Solve for x
x = 34,827,537,423.82/258,324.24 - Step 6: Final answer
x = 134,821.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.