Finding the Fourth Proportional to 519,337.62, 779,107.42 and 199,466.08
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Solution
The fourth proportional to 519,337.62, 779,107.42 and 199,466.08 is: 299,237.91
Step by Step Solution
- Step 1: Write the proportion equation
519,337.62 : 779,107.42 = 199,466.08 : x - Step 2: Convert to fraction form
519,337.62/779,107.42 = 199,466.08/x - Step 3: Cross multiply
519,337.62x = 779,107.42 × 199,466.08 - Step 4: Simplify right side
519,337.62x = 155,405,501,968.98 - Step 5: Solve for x
x = 155,405,501,968.98/519,337.62 - Step 6: Final answer
x = 299,237.91
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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.