Finding the Fourth Proportional to 258,817.23, 357,175.71 and 140,952.09
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Solution
The fourth proportional to 258,817.23, 357,175.71 and 140,952.09 is: 194,518.20
Step by Step Solution
- Step 1: Write the proportion equation
258,817.23 : 357,175.71 = 140,952.09 : x - Step 2: Convert to fraction form
258,817.23/357,175.71 = 140,952.09/x - Step 3: Cross multiply
258,817.23x = 357,175.71 × 140,952.09 - Step 4: Simplify right side
258,817.23x = 50,344,662,821.73 - Step 5: Solve for x
x = 50,344,662,821.73/258,817.23 - Step 6: Final answer
x = 194,518.20
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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.