Finding the Fourth Proportional to 345,899.09, 518,820.94 and 153,832.99
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Solution
The fourth proportional to 345,899.09, 518,820.94 and 153,832.99 is: 230,737.17
Step by Step Solution
- Step 1: Write the proportion equation
345,899.09 : 518,820.94 = 153,832.99 : x - Step 2: Convert to fraction form
345,899.09/518,820.94 = 153,832.99/x - Step 3: Cross multiply
345,899.09x = 518,820.94 × 153,832.99 - Step 4: Simplify right side
345,899.09x = 79,811,775,370.05 - Step 5: Solve for x
x = 79,811,775,370.05/345,899.09 - Step 6: Final answer
x = 230,737.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.