Finding the Fourth Proportional to 399,823.10, 599,217.96 and 299,193.76
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Solution
The fourth proportional to 399,823.10, 599,217.96 and 299,193.76 is: 448,404.00
Step by Step Solution
- Step 1: Write the proportion equation
399,823.10 : 599,217.96 = 299,193.76 : x - Step 2: Convert to fraction form
399,823.10/599,217.96 = 299,193.76/x - Step 3: Cross multiply
399,823.10x = 599,217.96 × 299,193.76 - Step 4: Simplify right side
399,823.10x = 179,282,276,382.93 - Step 5: Solve for x
x = 179,282,276,382.93/399,823.10 - Step 6: Final answer
x = 448,404.00
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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.