Finding the Fourth Proportional to 490,998.68, 736,498.04 and 154,091.32
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Solution
The fourth proportional to 490,998.68, 736,498.04 and 154,091.32 is: 231,136.99
Step by Step Solution
- Step 1: Write the proportion equation
490,998.68 : 736,498.04 = 154,091.32 : x - Step 2: Convert to fraction form
490,998.68/736,498.04 = 154,091.32/x - Step 3: Cross multiply
490,998.68x = 736,498.04 × 154,091.32 - Step 4: Simplify right side
490,998.68x = 113,487,955,161.01 - Step 5: Solve for x
x = 113,487,955,161.01/490,998.68 - Step 6: Final answer
x = 231,136.99
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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.