Finding the Fourth Proportional to 519,278.84, 779,000.27 and 219,760.99
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Solution
The fourth proportional to 519,278.84, 779,000.27 and 219,760.99 is: 329,676.19
Step by Step Solution
- Step 1: Write the proportion equation
519,278.84 : 779,000.27 = 219,760.99 : x - Step 2: Convert to fraction form
519,278.84/779,000.27 = 219,760.99/x - Step 3: Cross multiply
519,278.84x = 779,000.27 × 219,760.99 - Step 4: Simplify right side
519,278.84x = 171,193,869,147.37 - Step 5: Solve for x
x = 171,193,869,147.37/519,278.84 - Step 6: Final answer
x = 329,676.19
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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.