Finding the Fourth Proportional to 299,377.14, 449,137.59 and 99,699.31
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Solution
The fourth proportional to 299,377.14, 449,137.59 and 99,699.31 is: 149,572.90
Step by Step Solution
- Step 1: Write the proportion equation
299,377.14 : 449,137.59 = 99,699.31 : x - Step 2: Convert to fraction form
299,377.14/449,137.59 = 99,699.31/x - Step 3: Cross multiply
299,377.14x = 449,137.59 × 99,699.31 - Step 4: Simplify right side
299,377.14x = 44,778,707,818.06 - Step 5: Solve for x
x = 44,778,707,818.06/299,377.14 - Step 6: Final answer
x = 149,572.90
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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.