Finding the Fourth Proportional to 433,731.58, 598,478.17 and 272,472.42
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Solution
The fourth proportional to 433,731.58, 598,478.17 and 272,472.42 is: 375,967.09
Step by Step Solution
- Step 1: Write the proportion equation
433,731.58 : 598,478.17 = 272,472.42 : x - Step 2: Convert to fraction form
433,731.58/598,478.17 = 272,472.42/x - Step 3: Cross multiply
433,731.58x = 598,478.17 × 272,472.42 - Step 4: Simplify right side
433,731.58x = 163,068,797,371.07 - Step 5: Solve for x
x = 163,068,797,371.07/433,731.58 - Step 6: Final answer
x = 375,967.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.