Finding the Fourth Proportional to 399,658.24, 599,783.10 and 189,296.80
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Solution
The fourth proportional to 399,658.24, 599,783.10 and 189,296.80 is: 284,085.28
Step by Step Solution
- Step 1: Write the proportion equation
399,658.24 : 599,783.10 = 189,296.80 : x - Step 2: Convert to fraction form
399,658.24/599,783.10 = 189,296.80/x - Step 3: Cross multiply
399,658.24x = 599,783.10 × 189,296.80 - Step 4: Simplify right side
399,658.24x = 113,537,021,524.08 - Step 5: Solve for x
x = 113,537,021,524.08/399,658.24 - Step 6: Final answer
x = 284,085.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.