Finding the Fourth Proportional to 399,414.16, 599,418.80 and 293,072.91
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Solution
The fourth proportional to 399,414.16, 599,418.80 and 293,072.91 is: 439,827.70
Step by Step Solution
- Step 1: Write the proportion equation
399,414.16 : 599,418.80 = 293,072.91 : x - Step 2: Convert to fraction form
399,414.16/599,418.80 = 293,072.91/x - Step 3: Cross multiply
399,414.16x = 599,418.80 × 293,072.91 - Step 4: Simplify right side
399,414.16x = 175,673,412,024.71 - Step 5: Solve for x
x = 175,673,412,024.71/399,414.16 - Step 6: Final answer
x = 439,827.70
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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.