Finding the Fourth Proportional to 299,754.29, 447,444.53 and 261,919.80
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Solution
The fourth proportional to 299,754.29, 447,444.53 and 261,919.80 is: 390,968.82
Step by Step Solution
- Step 1: Write the proportion equation
299,754.29 : 447,444.53 = 261,919.80 : x - Step 2: Convert to fraction form
299,754.29/447,444.53 = 261,919.80/x - Step 3: Cross multiply
299,754.29x = 447,444.53 × 261,919.80 - Step 4: Simplify right side
299,754.29x = 117,194,580,499.10 - Step 5: Solve for x
x = 117,194,580,499.10/299,754.29 - Step 6: Final answer
x = 390,968.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.