Finding the Fourth Proportional to 404,736.68, 607,134.36 and 155,418.68
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Solution
The fourth proportional to 404,736.68, 607,134.36 and 155,418.68 is: 233,139.29
Step by Step Solution
- Step 1: Write the proportion equation
404,736.68 : 607,134.36 = 155,418.68 : x - Step 2: Convert to fraction form
404,736.68/607,134.36 = 155,418.68/x - Step 3: Cross multiply
404,736.68x = 607,134.36 × 155,418.68 - Step 4: Simplify right side
404,736.68x = 94,360,020,813.84 - Step 5: Solve for x
x = 94,360,020,813.84/404,736.68 - Step 6: Final answer
x = 233,139.29
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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.