Finding the Fourth Proportional to 765,530.98, 1,147,964.55 and 232,928.26
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Solution
The fourth proportional to 765,530.98, 1,147,964.55 and 232,928.26 is: 349,291.40
Step by Step Solution
- Step 1: Write the proportion equation
765,530.98 : 1,147,964.55 = 232,928.26 : x - Step 2: Convert to fraction form
765,530.98/1,147,964.55 = 232,928.26/x - Step 3: Cross multiply
765,530.98x = 1,147,964.55 × 232,928.26 - Step 4: Simplify right side
765,530.98x = 267,393,385,173.18 - Step 5: Solve for x
x = 267,393,385,173.18/765,530.98 - Step 6: Final answer
x = 349,291.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.