Finding the Fourth Proportional to 765,646.62, 1,148,635.98 and 233,153.70
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Solution
The fourth proportional to 765,646.62, 1,148,635.98 and 233,153.70 is: 349,781.12
Step by Step Solution
- Step 1: Write the proportion equation
765,646.62 : 1,148,635.98 = 233,153.70 : x - Step 2: Convert to fraction form
765,646.62/1,148,635.98 = 233,153.70/x - Step 3: Cross multiply
765,646.62x = 1,148,635.98 × 233,153.70 - Step 4: Simplify right side
765,646.62x = 267,808,728,690.13 - Step 5: Solve for x
x = 267,808,728,690.13/765,646.62 - Step 6: Final answer
x = 349,781.12
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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.