Finding the Fourth Proportional to 258,959.19, 357,338.14 and 144,233.99
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Solution
The fourth proportional to 258,959.19, 357,338.14 and 144,233.99 is: 199,028.67
Step by Step Solution
- Step 1: Write the proportion equation
258,959.19 : 357,338.14 = 144,233.99 : x - Step 2: Convert to fraction form
258,959.19/357,338.14 = 144,233.99/x - Step 3: Cross multiply
258,959.19x = 357,338.14 × 144,233.99 - Step 4: Simplify right side
258,959.19x = 51,540,303,564.10 - Step 5: Solve for x
x = 51,540,303,564.10/258,959.19 - Step 6: Final answer
x = 199,028.67
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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.