Finding the Fourth Proportional to 299,537.28, 449,257.08 and 99,859.32
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Solution
The fourth proportional to 299,537.28, 449,257.08 and 99,859.32 is: 149,772.70
Step by Step Solution
- Step 1: Write the proportion equation
299,537.28 : 449,257.08 = 99,859.32 : x - Step 2: Convert to fraction form
299,537.28/449,257.08 = 99,859.32/x - Step 3: Cross multiply
299,537.28x = 449,257.08 × 99,859.32 - Step 4: Simplify right side
299,537.28x = 44,862,506,513.99 - Step 5: Solve for x
x = 44,862,506,513.99/299,537.28 - Step 6: Final answer
x = 149,772.70
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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.