Finding the Fourth Proportional to 258,352.07, 356,537.99 and 143,632.59
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Solution
The fourth proportional to 258,352.07, 356,537.99 and 143,632.59 is: 198,219.72
Step by Step Solution
- Step 1: Write the proportion equation
258,352.07 : 356,537.99 = 143,632.59 : x - Step 2: Convert to fraction form
258,352.07/356,537.99 = 143,632.59/x - Step 3: Cross multiply
258,352.07x = 356,537.99 × 143,632.59 - Step 4: Simplify right side
258,352.07x = 51,210,474,218.93 - Step 5: Solve for x
x = 51,210,474,218.93/258,352.07 - Step 6: Final answer
x = 198,219.72
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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.