Finding the Fourth Proportional to 304,489.68, 456,701.71 and 79,872.63
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Solution
The fourth proportional to 304,489.68, 456,701.71 and 79,872.63 is: 119,800.34
Step by Step Solution
- Step 1: Write the proportion equation
304,489.68 : 456,701.71 = 79,872.63 : x - Step 2: Convert to fraction form
304,489.68/456,701.71 = 79,872.63/x - Step 3: Cross multiply
304,489.68x = 456,701.71 × 79,872.63 - Step 4: Simplify right side
304,489.68x = 36,477,966,703.20 - Step 5: Solve for x
x = 36,477,966,703.20/304,489.68 - Step 6: Final answer
x = 119,800.34
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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.