Finding the Fourth Proportional to 320,755.41, 480,992.99 and 152,324.01
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Solution
The fourth proportional to 320,755.41, 480,992.99 and 152,324.01 is: 228,419.47
Step by Step Solution
- Step 1: Write the proportion equation
320,755.41 : 480,992.99 = 152,324.01 : x - Step 2: Convert to fraction form
320,755.41/480,992.99 = 152,324.01/x - Step 3: Cross multiply
320,755.41x = 480,992.99 × 152,324.01 - Step 4: Simplify right side
320,755.41x = 73,266,780,257.07 - Step 5: Solve for x
x = 73,266,780,257.07/320,755.41 - Step 6: Final answer
x = 228,419.47
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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.