Finding the Fourth Proportional to 258,751.80, 357,058.08 and 145,552.68
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Solution
The fourth proportional to 258,751.80, 357,058.08 and 145,552.68 is: 200,851.78
Step by Step Solution
- Step 1: Write the proportion equation
258,751.80 : 357,058.08 = 145,552.68 : x - Step 2: Convert to fraction form
258,751.80/357,058.08 = 145,552.68/x - Step 3: Cross multiply
258,751.80x = 357,058.08 × 145,552.68 - Step 4: Simplify right side
258,751.80x = 51,970,760,459.65 - Step 5: Solve for x
x = 51,970,760,459.65/258,751.80 - Step 6: Final answer
x = 200,851.78
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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.