Finding the Fourth Proportional to 299,131.36, 448,599.95 and 99,398.14
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Solution
The fourth proportional to 299,131.36, 448,599.95 and 99,398.14 is: 149,064.94
Step by Step Solution
- Step 1: Write the proportion equation
299,131.36 : 448,599.95 = 99,398.14 : x - Step 2: Convert to fraction form
299,131.36/448,599.95 = 99,398.14/x - Step 3: Cross multiply
299,131.36x = 448,599.95 × 99,398.14 - Step 4: Simplify right side
299,131.36x = 44,589,997,894.10 - Step 5: Solve for x
x = 44,589,997,894.10/299,131.36 - Step 6: Final answer
x = 149,064.94
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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.