Finding the Fourth Proportional to 680,853.99, 1,021,416.30 and 231,454.20
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Solution
The fourth proportional to 680,853.99, 1,021,416.30 and 231,454.20 is: 347,227.29
Step by Step Solution
- Step 1: Write the proportion equation
680,853.99 : 1,021,416.30 = 231,454.20 : x - Step 2: Convert to fraction form
680,853.99/1,021,416.30 = 231,454.20/x - Step 3: Cross multiply
680,853.99x = 1,021,416.30 × 231,454.20 - Step 4: Simplify right side
680,853.99x = 236,411,087,476.38 - Step 5: Solve for x
x = 236,411,087,476.38/680,853.99 - Step 6: Final answer
x = 347,227.29
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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.