Finding the Fourth Proportional to 403,290.57, 605,026.99 and 133,418.07
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Solution
The fourth proportional to 403,290.57, 605,026.99 and 133,418.07 is: 200,157.26
Step by Step Solution
- Step 1: Write the proportion equation
403,290.57 : 605,026.99 = 133,418.07 : x - Step 2: Convert to fraction form
403,290.57/605,026.99 = 133,418.07/x - Step 3: Cross multiply
403,290.57x = 605,026.99 × 133,418.07 - Step 4: Simplify right side
403,290.57x = 80,721,534,061.69 - Step 5: Solve for x
x = 80,721,534,061.69/403,290.57 - Step 6: Final answer
x = 200,157.26
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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.