Finding the Fourth Proportional to 613,105.93, 918,329.68 and 296,899.75
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Solution
The fourth proportional to 613,105.93, 918,329.68 and 296,899.75 is: 444,705.95
Step by Step Solution
- Step 1: Write the proportion equation
613,105.93 : 918,329.68 = 296,899.75 : x - Step 2: Convert to fraction form
613,105.93/918,329.68 = 296,899.75/x - Step 3: Cross multiply
613,105.93x = 918,329.68 × 296,899.75 - Step 4: Simplify right side
613,105.93x = 272,651,852,409.58 - Step 5: Solve for x
x = 272,651,852,409.58/613,105.93 - Step 6: Final answer
x = 444,705.95
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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.