Finding the Fourth Proportional to 258,918.24, 357,328.56 and 144,218.88
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Solution
The fourth proportional to 258,918.24, 357,328.56 and 144,218.88 is: 199,033.97
Step by Step Solution
- Step 1: Write the proportion equation
258,918.24 : 357,328.56 = 144,218.88 : x - Step 2: Convert to fraction form
258,918.24/357,328.56 = 144,218.88/x - Step 3: Cross multiply
258,918.24x = 357,328.56 × 144,218.88 - Step 4: Simplify right side
258,918.24x = 51,533,524,715.21 - Step 5: Solve for x
x = 51,533,524,715.21/258,918.24 - Step 6: Final answer
x = 199,033.97
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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.